Hybrid home-entertainment system

• US 5,722,041 A
• Filed: 12/05/1995
• Issued: 02/24/1998
• Est. Priority Date: 12/05/1995
• Status: Expired due to Fees

• Current Assignee: Alst Technical Excellecnce Center Corporation
• Original Assignee: Altec Lansing Technologies (Infinity Group Holding Co. LLC)
• Inventors: Freadman, Tommyca
• Primary Examiner(s): Kostak, Victor R.
• Application Number:
  US08/567,559
• Time in Patent Office: 812 Days
• Field of Search: 455/3.1, 455/6.3, 455/4.2, 348/552, 348/706, 348/705, 348/12, 348/7, 348/6, 348/571, 348/553, 348/555, 348/725, 348/729, 348/13
• US Class Current: 725/82
• CPC Class Codes: G06F 3/1423 controlling a plurality of local displays, e.g. CRT and flat panel display
• CPC Class Codes: G09G 5/006 Details of the interface to the display terminal specific for a display terminal using a CRT G09G1/167; using a flat panel G09G3/2096; circuits for interfacing with colour displays G09G5/04
• CPC Class Codes: H04N 21/4122 additional display device, e.g. video projector digital output for controlling a plurality of local displays G06F3/1423
• CPC Class Codes: H04N 21/41265 having a remote control device for bidirectional communication between the remote control device and client device unidirectional remote control device H04N21/42204
• CPC Class Codes: H04N 21/4143 embedded in a Personal Computer [PC]
• CPC Class Codes: H04N 21/4316 for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
• CPC Class Codes: H04N 21/43615 Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals home Audio Video Interoperability [HAVI] data switching networks H04L12/2805
• CPC Class Codes: H04N 21/478 Supplemental services, e.g. displaying phone caller identification, shopping application
• CPC Class Codes: H04N 5/44 Receiver circuitry for the reception of television signals according to analogue transmission standards H04N5/14 takes precedence
• CPC Class Codes: H04N 7/00 Television systems details H04N3/00, H04N5/00; methods or arrangements, for coding, decoding, compressing or decompressing digital video signals H04N19/00; selective content distribution H04N21/00
• CPC Class Codes: H04N 7/002 Special television systems not provided for by H04N7/007 - H04N7/18 still pictures via a television channel H04N1/00098
• CPC Class Codes: H04N 7/17309 Transmission or handling of upstream communications
• CPC Class Codes: H04N 9/641 Multi-purpose receivers, e.g. for auxiliary information H04N9/642 takes precedence

Abstract

Home entertainment center interface apparatus providing remote database access and access coordination is disclosed. The interface can, alternatively, be installed directly on the PCI bus in the computer. The interface provides remote access to the database in response to signals from an RF remote control transmitter. The transmitter can be added as a plug-compatible unit to upgrade an existing video control device. A supplemental chat window is generated by a further plug-compatible upgrade unit in response to address and command signals modulating a dedicated carrier frequency on the cable.

Claims

1. Database interface apparatus for supplying data from a personal computer to a remote video screen, said personal computer having a computer video screen, said remote video screen being connected by a cable to a subscriber video service, said apparatus comprising:

means for combining a subscription carrier frequency modulated by a video signal provided by the subscriber cable service cable, with a local carrier frequency modulated by a video signal provided by the personal computer;

means for providing said combined carrier frequencies to the cable connected to the remote video screen;

means for supplying data from the computer to the cable as video signals modulating said local carrier frequency;

means for receiving broadcast RF signals transmitted by an RF remote-control device; and

means for controlling said data supplied by the personal computer in response to said RF signals to modulate said local carrier frequency.

2. The apparatus of claim 1 wherein said means for combining carrier frequencies also combines therewith an e-mail carrier frequecy modulated by an e-mail signal provided by the personal computer, and said RF signals include RF e-mail control signals, said apparatus further comprising:

means for supplying formatting and message data in an e-mail signal so as to provide information needed to produce picture-in-picture video in response to said RF e-mail control signals.

3. The apparatus of claim 2 wherein said formatting and message data also includes address data indicating the destination of said e-mail message in the e-mail signal provided by said personal computer.

4. Database interface apparatus for connecting a personal computer to a remote video screen, said computer having a computer video screen, said remote video screen being connected by cable to a subscriber cable video service, said apparatus comprising:

an RF broadcast receiver;

a controller connected to said receiver and to said computer, said controller being responsive to said personal computer and to said receiver to select a local carrier frequency for supplying video signals from said computer to said remote video screen through said cable;

a multi-channel modulator adapted to supply a signal from the computer to the remote video screen on said local carrier frequency selected by said controller; and

an RF mixer adapted to combine a subscription carrier frequency modulated by a video signal from the cable video subscriber service with said local carrier frequency modulated by a video signal from said personal computer.

5. A method of providing remote access to a household database stored on a personal computer at a remote video screen, said personal computer having a computer video screen, said remote video screen connected by a cable to a subscriber video service, said method comprising the steps of:

mixing a subscription carrier frequency modulated by a video signal from the subscriber cable service with a local carrier frequency modulated by a video signal from the personal computer;

providing said combined video-modulated carrier signal to the remote video screen through the cable;

determining the frequency of the video-modulated carrier signal supplied by the personal computer;

supplying data signals from the computer to the cable on said carrier frequency; and

receiving RF signals from an RF remote-control device, said RF signals controlling data received as a video-modulated carrier signal by the remote video screen from the personal computer through the cable on said carrier frequency.

6. The method of claim 5 further including the steps of:

receiving an RF e-mail control signal;

combining an e-mail carrier frequecy modulated by an e-mail signal provided by the personal computer with a subscription carrier frequency modulated by a video signal provided by the subscriber cable video service and a local carrier signal modulated by a video signal provided by the personal computer;

supplying formatting and message data in an e-mail signal so as to provide information needed to produce picture-in-picture video on a remote video screen in response to said RF e-mail control signal.

7. The method of claim 5 further comprising the step of supplying address data indicating the destination of said e-mail data in said e-mail signal provided by the personal computer.

8. A method of providing remote access to a household database stored on a personal computer to a remote video screen connected by cable to a subscriber video service, said method comprising the steps of:

combining a subscription carrier frequency modulated by a video signal provided by the subscriber cable video service, with a local carrier signal modulated by a video signal provided by the personal computer;

providing said combined carrier signals to the cable connected to the remote video screen;

selecting a carrier frequency to be modulated by a video signal supplied by the personal computer;

supplying data from the computer to the cable as the video signal modulating said carrier frequency;

receiving broadcast RF signals from an RF remote-control device; and

controlling the data supplied by the personal computer in response to said RF signals.

9. A method of providing remote access to a household database stored on a personal computer for a user viewing a remote video screen, said remote video screen connected by a cable to a subscriber video service, said method comprising the steps of:

connecting an interface circuit between the remote video screen and the subscriber video service, said interface circuit including means for combining a subscription carrier frequency modulated by a video signal provided by the subscriber cable service cable, with a local carrier frequency modulated by a video signal provided by the personal computer, means for providing said combined carrier frequencies to the cable connected to the remote video screen, means for supplying data from the computer to the cable as video signals modulating said local carrier frequency, means for receiving broadcast RF signals, and means for controlling said data supplied by the personal computer in response to said broadcast RF signals to modulate said local carrier frequency; and

supplying a control input device for the user viewing the remote video screen, said device having an RF broadcast transmitter.

10. The method of claim 9 further comprising the step of connecting said transmitter between the remote video screen and a control input device connected to the video screen.

11. The method of claim 9 further comprising the step of connecting a chat box between the remote video screen and the cable connected to the subscriber cable video service.

12. A hybrid home entertainment system for supplying data from a personal computer to a remote video screen, said personal computer having a computer video screen, said remote video screen being connected by a cable to a subscriber video service, said apparatus comprising:

means for combining a subscription carrier frequency modulated by a video signal provided by the subscriber cable service cable, with a local carrier frequency modulated by a video signal provided by the personal computer;

means for providing said combined carrier frequencies to the cable connected to the remote video screen;

means for supplying data from the computer to the cable as video signals modulating said local carrier frequency;

means for receiving broadcast RF signals transmitted by an RF remote-control device;

means for controlling said data supplied by the personal computer in response to said RF signals to modulate said local carrier frequency; and

means for supplying said RF signal.

13. The system of claim 12 wherein said means for supplying said broadcast RF signal includes a microphone and said broadcast RF signal includes audio information.

14. The system of claim 12 wherein said interface combines an e-mail carrier frequency with modulated by an e-mail signal provided by the personal computer with a subscription carrier frequency modulated by a video signal provided by the subscriber cable video service and a local carrier signal modulated by a video signal provided by the personal computer, said system further comprising:

means responsive to said e-mail carrier frequency for providing picture-in-picture e-mail messages, whereby database work at multiple locations can be readily coordinated.

15. The system of claim 12 wherein said means for supplying said broadcast RF signal includes means for supplying an IR signal for controlling the channel displayed by the remote video screen.