Infrared data communication apparatus and method

• US 6,563,619 B1
• Filed: 09/20/1999
• Issued: 05/13/2003
• Est. Priority Date: 10/08/1998
• Status: Expired due to Fees

• Current Assignee: Matsushita Electric Industrial Company Limited (Panasonic Holdings Corporation)
• Original Assignee: Matsushita Electric Industrial Company Limited (Panasonic Holdings Corporation)
• Inventors: Hirayama, Michiko, Monden, Takao
• Primary Examiner(s): TWEEL JR, JOHN ALEXANDER
• Application Number:
  US09/400,522
• Time in Patent Office: 1,331 Days
• Field of Search: 359/172, 359/152, 359/163, 345/76, 345/156
• US Class Current: 398/121
• CPC Class Codes: H04B 10/1143 Bidirectional transmission
• CPC Class Codes: H04M 1/72412 using two-way short-range wireless interfaces
• CPC Class Codes: H04M 1/72415 for remote control of appliances
• CPC Class Codes: H04M 19/04 the ringing-current being generated at the substations
• CPC Class Codes: H04M 19/048 Arrangements providing optical indication of the incoming call, e.g. flasher circuits

Abstract

An infrared data communication device which enables data transmission by infrared light, without provision of dedicated light projection/receiving windows and an infrared light emitting device or an infrared light detector on an outer packaging body of the device. An infrared light detector 19 is arranged on a circuit substrate 18 on an inside of a liquid crystal panel of a liquid crystal display 11, and then infrared data is received via the liquid crystal panel to convert electrically and send out to an infrared communicating portion. Also, a light emitting diode 15c, which informs a user of an incoming call by flashing, and an infrared light emitting device 15b are arranged on an inside of a photogenesis transparency component 15a of a lighting display portion 15, and the infrared data are emitted (transmitted) from the infrared light emitting device 15b via the photogenesis transparency component 15a.

Claims

1. An infrared data communication apparatus for communicating transmission infrared data, comprising:

a liquid crystal display having a liquid crystal panel;

a communication control portion which controls data communication;

an infrared light detector which is arranged on an inside of said liquid crystal panel, said infrared light detector receiving the infrared data from an external device via said liquid crystal panel, then converting said infrared data into electric data, and then sending out said electric data to said communication control portion.

2. An infrared data communication apparatus according to claim 1, further comprising an infrared light emitting device which is arranged on the inside of the liquid crystal panel, the infrared light emitting device emitting transmission data, supplied from the communication control portion, as infrared data via the liquid crystal panel to transmit the transmission infrared data to the external device.

5. An infrared data communication apparatus according to any one of claims 2, 3, and 4, further comprising a current supplying means for supplying a driving current to the infrared ray emitting element such that the infrared ray emitting element emits the infrared data to be received by the infrared ray receiving element of a receiver side electronic device through a predetermined region, which is set as a light receiving region, of the liquid crystal panel in the receiver side electronic device.

6. An infrared data communication apparatus according to any one of claims 1, 2, and 4, further comprising a display controlling means for screen-displaying a receiving frame indicating a range, through which the infrared light detector can receive the infrared data, on the liquid crystal panel of the liquid crystal display in transmitting the infrared data.

11. A portable cellular phone comprising an infrared data communication apparatus as claimed in any one of claims 1 to 4.

3. An infrared data communication apparatus for communicating transmission infrared data to an external device, said infrared data communication apparatus comprising:

a liquid crystal display having a liquid crystal panel;

an emitted light transmitting portion for lighting indication;

a communication control portion which controls data communication; and

an infrared light emitting device which is arranged on one of an inside of said liquid crystal panel of said liquid crystal display and an inside of said emitted light transmitting portion, the infrared ray emitting element emitting transmission data, supplied from the communication control portion, as infrared data via said liquid crystal panel and said emitted light transmitting portion to transmit the transmission infrared data to the external device.

4. An infrared data communication apparatus for communicating transmission infrared data, comprising:

a liquid crystal display having a liquid crystal panel;

a communication control portion which controls data communication;

an infrared light detector arranged on an inside of said liquid crystal panel of the liquid crystal display, for receiving the infrared data supplied from an external device via the liquid crystal panel, then converting the infrared data into electric data, and then sending out the electric data to said communication control portion;

a photogenesis transparency component whose one end side is positioned on a surface of an outer packaging body, for transmitting a light generated by a light emitting diode for illuminating a lighting display; and

an infrared light emitting device arranged on an inside of said photogenesis transparency component, for emitting transmission data from the communication control portion as infrared data via the photogenesis transparency component to transmit the infrared data to an outside of said outer packaging body.

7. An infrared data communication method of communicating transmission infrared data between electronic devices each having a liquid crystal display having a liquid crystal panel, comprising the steps of:

arranging an infrared light detector on an inside of said liquid crystal panel of said liquid crystal display;

receiving infrared data supplied from an external device by the infrared light detector via the liquid crystal panel; and

converting the infrared data into electrical data to form transmission data.

8. An infrared data communication method according to claim 7, further comprising the step of:

arranging an infrared light emitting device on the inside of the liquid crystal panel; and

transmitting transmission data as the infrared data from the infrared light emitting device to an external device via the liquid crystal panel.

9. An infrared data communicating method of communicating transmission infrared data between electronic devices, comprising the steps of:

arranging an infrared light emitting device on an inside of a liquid crystal panel of a liquid crystal display provided to the electronic device or an inside of an emitted light transmitting portion for illuminating a lighting display; and

transmitting transmission data from the infrared light emitting device to an external device as the infrared data via the liquid crystal panel or the emitted light transmitting portion.

10. An infrared data communication method of communicating transmission infrared data between electronic devices each having a liquid crystal display and a light emitting diode for illuminating a lighting display, comprising the steps of:

arranging an infrared light detector on an inside of a liquid crystal panel of the liquid crystal display;

receiving the infrared data supplied from an external device by the infrared light detector via the liquid crystal panel, and converting the infrared data electrically to form transmission data;

arranging an infrared light emitting device on an inside of an photogenesis transparency component which transmits an emitted light from a light emitting diode for illuminating a lighting display; and

emitting transmission data from the infrared light emitting device as the infrared data, and transmitting the transmission data to the external device via the photogenesis transparency component.