Wireless monitor voice indication parking indicator

• US 8,674,847 B2
• Filed: 09/19/2008
• Issued: 03/18/2014
• Est. Priority Date: 11/28/2007
• Status: Expired due to Fees

• Current Assignee: Weiwen Yan
• Original Assignee: Weiwen Yan
• Inventors: Yan, Weiwen, Li, Desheng, Luo, Jun
• Primary Examiner(s): MULLEN, THOMAS J
• Application Number:
  US12/745,137
• Publication Number:
  US 20110199233A1
• Time in Patent Office: 2,006 Days
• Field of Search: 340/932.2, 340/901, 340/903, 340/435, 340/692, 340/691.6, 348/148, 701/300, 701/301
• US Class Current: 340/932.2
• CPC Class Codes: B60Q 2900/30 Lamps commanded by wireless transmissions
• CPC Class Codes: B60Q 5/005 automatically actuated
• CPC Class Codes: B60Q 9/004 using wave sensors radar designed for anti-collision purposes between land vehicles or between land vehicles and fixed obstacles G01S13/931
• CPC Class Codes: B60Q 9/005 using a video camera
• CPC Class Codes: B60Q 9/006 using a distance sensor
• CPC Class Codes: B60R 25/00 Fittings or systems for preventing or indicating unauthorised use or theft of vehicles locks for vehicles E05B77/00-E05B85/00
• CPC Class Codes: G01S 15/87 Combinations of sonar systems
• CPC Class Codes: G01S 15/931 of land vehicles
• CPC Class Codes: G01S 7/003 Transmission of data between radar, sonar or lidar systems and remote stations

Abstract

A wireless monitor voice indication parking indicator includes a transmitting part and a receiving part. The transmitting part includes a camera, an ultrasonic transmitting circuit, an ultrasonic receiving circuit, a power circuit, a voice indication circuit, a video superimposed circuit, a wireless transmitting circuit and a Single-chip Microcomputer (SCM) processor. The receiving part includes a power circuit, a wireless receiving circuit, an audio separation circuit, a control magnification output circuit, an alarm and a monitor. The power circuit supplies necessary stable voltage.

Claims

1. A wireless monitor voice indication parking indicator comprising:

a transmitting part comprising a Single-Chip Microcomputer (SCM) processor operatively coupled to a camera, an ultrasonic receiving circuit, an ultrasonic transmitting circuit having a plurality of ultrasonic sensors, a plurality of ultrasonic sensor matching circuits, and a plurality of channels, a power circuit, a voice indication circuit, a video superimposed circuit, and a wireless transmitting circuit; and

a receiving part configured to communicate with the transmitting part, the receiving part comprising a power circuit, a wireless receiving circuit, an audio separation circuit, a control magnification output circuit, an alarm, and a monitor,

wherein a built-in control program of the SCM processor of the transmitting part causes output of supersonic impulse signals, the SCM processor selects said channels in the ultrasonic transmitting circuit in a continuous sequence, and assigns the supersonic impulse signals to each ultrasonic sensor matching circuit corresponding to a respective one of the channels in the ultrasonic transmitting circuit, and by the ultrasonic sensor matching circuits, the supersonic impulse signals are sent to ultrasonic sensors corresponding to the ultrasonic sensor matching circuits;

the ultrasonic sensors responsive to the supersonic impulse signals output ultrasonic waves and acquire electric signals received by the ultrasonic sensors when the ultrasonic waves encounter an obstacle and reflect off the obstacle;

an operational amplification circuit in the ultrasonic receiving circuit performs frequency selection and magnification for the electric signals, and the operational amplification circuit sends square waves to the SCM processor;

the SCM processor in a continuous sequence scans every channel of the ultrasonic transmitting circuit, and in the continuous sequence, the SCM processor processes received square-wave signals by changing the square-wave signals from analog signals into digital signals, and writes the digital signals into a buffer to calculate and compare distances between the ultrasonic sensors and the obstacle in the continuous sequence to acquire a shortest distance;

the SCM processor superimposes an orientation of the obstacle and the shortest distance on video signals from a video shot by the camera through the video superimposed circuit, thereby producing video signals with the superimposed shortest distance and orientation, on the basis of the shortest distance between the ultrasonic sensors and the obstacle and the orientation of the obstacle, the video signals with the superimposed shortest distance and orientation are sent to the wireless transmitting circuit and the wireless transmitting circuit outputs the video signals with the superimposed shortest distance and orientation;

the SCM processor sends indications of the shortest distance and the orientation to the voice indication circuit, the voice indication circuit outputs audio signals capable of reporting the shortest distance and the orientation and sends the audio signals to the wireless transmitting circuit, and the wireless transmitting circuit outputs the audio signals; and

the wireless receiving circuit of the receiving part receives the video signals with the superimposed shortest distance and orientation and the audio signals, separates the video signals with the superimposed shortest distance and orientation and the audio signals through the audio separation circuit, sends the video signals with the superimposed shortest distance and orientation and the audio signals to the control magnification output circuit, and sends the audio signals to the alarm and the video signals with the superimposed shortest distance and orientation to the monitor to display.

2. The wireless monitor voice indication parking indicator according to claim 1, wherein the ultrasonic transmitting circuit comprises a multi-channel optional switch integrated circuit package, dynatrons, and resistors;

the SCM processor responsive to resonance of a crystal oscillator connected to the SCM processor sends sonic signals and control signals to the multi-channel optional switch integrated circuit package, the sonic signals are sent to the multi-channel optional switch integrated circuit package through one of the dynatrons, a channel of the multi-channel optional switch integrated circuit package is selected to be open to cause one of the ultrasonic sensors corresponding to the selected channel to output the supersonic impulse signals, and the control signals are sent to the multi-channel optional switch integrated circuit package so that the channels of the multi-channel optional switch integrated circuit package are opened in a continuous sequence, and through the multi-channel optional switch integrated circuit package, the SCM processor distributes the supersonic impulse signals in turn to the ultrasonic sensors to output the supersonic impulse signals;

the ultrasonic receiving circuit operates such that the ultrasonic sensors receive signals when the supersonic impulse signals encounter the obstacle and reflect off of the obstacle, the reflected signals are sent to the multi-channel optional switch integrated circuit package after being frequency filtered, and are sent to the SCM processor after the operational amplification circuit in the ultrasonic receiving circuit selects frequencies, magnifies and reshapes the reflected signals.

3. The wireless monitor voice indication parking indicator according to claim 1, wherein the SCM processor sends signals to a voice integrated circuit package based on the shortest distance between the ultrasonic sensors and the obstacle and the orientation of the obstacle;

the voice integrated circuit package outputs the audio signals based on the signals based on the shortest distance and the orientation; and

the audio signals, after being magnified, are sent to a transmitting terminal of the wireless transmitting circuit on an output port.

4. The wireless monitor voice indication parking indicator according to claim 1, wherein the video superimposed circuit comprises an integrated circuit package, another integrated circuit package, dynatrons, resistors, and capacitors;

the video superimposed circuit configured to;

receive the video signals from the video shot by the camera, after being magnified by one of the dynatrons, at the other integrated circuit package;

the SCM processor is connected to the other integrated circuit package and sends the indications of the shortest distance and the orientation of the obstacle to the other integrated circuit package;

the video signals from the video shot by the camera and the indications of the shortest distance and the orientation of the obstacle are processed by the other integrated circuit package, and the shortest distance and the orientation of the obstacle are superimposed and displayed on the video signals from the video shot by the camera, thereby producing the video signals with the superimposed shortest distance and the orientation; and

vertical and horizontal countdown signals in the video signals from the video shot by the camera are separated from the video signals from the video shot by the camera by a vertical and horizontal countdown separation pattern in the integrated circuit package.

5. The wireless monitor voice indication parking indicator according to claim 1, wherein the wireless transmitting circuit comprises an integrated circuit package, resistors, and capacitors, inductors and a promoted output magnifying tube;

the wireless transmitting circuit configured to;

receive control signals sent by the SCM processor, the audio signals and the video signals with the superimposed shortest distance and orientation at a video port and a left-right audio track input port of a wireless transmitter;

after being frequency filtered and amplitude limited, the audio signals, the video signals with the superimposed shortest distance and orientation and the control signals are separately connected to preemphasis circuits in the integrated circuit package to be processed, sent to a mixing circuit in the integrated circuit package, and mixed in the mixing circuit to form mixed signals; and

the mixed signals are magnified by a mixing magnifier in the integrated circuit package and frequency filtered by the capacitors and the inductors, and magnified by the promoted output magnifying tube and transmitted wirelessly by an antenna.

6. The wireless monitor voice indication parking indicator according to claim 1, wherein the wireless receiving circuit comprises a frequency filter, an integrated circuit package, a Surface Acoustic Wave (SAW) frequency filter, a line trap, resistors, and capacitors;

mixed signals of the video signals with the superimposed shortest distance and orientation, the audio signals, and control signals sent by the SCM processor are received by an antenna of the wireless receiving circuit, and after magnification, are sent to the frequency filter;

the mixed signals are sent to the integrated circuit package;

a Phase-Locked Loop Circuit (PLL circuit), an auto-gain circuit and an intermediate frequency amplifying circuit are arranged in the integrated circuit package, such that the intermediate frequency amplifying circuit, through first and second intermediate frequency magnification, filters out the mixed signals and sends the filtered out mixed signals to the SAW frequency filter to filter frequencies, and after magnification, the frequency filtered and magnified mixed signals are sent to a harmonic magnification, PLL demodulator, and auto-gain circuit in the integrated circuit package;

the PLL demodulator and the auto-gain circuit are configured to stabilize the magnified mixed signals, and the PLL demodulator demodulates the video signals and sends the demodulated video signals to the line trap; and

the integrated circuit package outputs the video signals to magnify the video signals, and the video signals with the superimposed shortest distance and orientation are restored.

7. The wireless monitor voice indication parking indicator according to claim 1, wherein the audio separation circuit comprises an integrated circuit package, frequency filters, resistors, and capacitors;

another integrated circuit package demodulates the audio signals from mixed signals of the video signals with the superimposed shortest distance and orientation, the audio signals, and control signals sent by the SCM processor and sends the demodulated signal to the frequency filter to select the audio signals, and the audio signals are sent to the integrated circuit package to demodulate, thereby producing demodulated signals;

after demodulation, the demodulated audio signals are magnified; and

after magnification by a magnifier in the integrated circuit package, the audio signals are separated into two-channel signals, wherein one channel of the two channel signals is for voice transmission and the other channel of the two channel signals is for control signals of the SCM processor.

8. The wireless monitor voice indication parking indicator according to claim 1, wherein the control magnification output circuit comprises an audio magnified integrated circuit package, a video magnified integrated circuit package, resistors, and capacitors;

the control magnification output circuit configured to;

amplify power of the audio signals by the audio magnified integrated circuit package and send the amplified audio signals to the alarm;

restore the video signals received by the wireless receiving circuit and send the video signals to the video magnified integrated circuit package; and

the video signals are magnified by the video magnified integrated circuit package and sent to the monitor to display.

9. The wireless monitor voice indication parking indicator according to claim 1, wherein the wireless transmitting circuit includes a 2.4G transmitting module and the wireless receiving circuit includes a 2.4G receiving module.