Battery charger for cellular phone, having speaker

• US 20010006336A1
• Filed: 12/28/2000
• Published: 07/05/2001
• Est. Priority Date: 12/30/1999
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Dufresne, Claude, Yi, Sang Yong, Boyd, Michael, Li, Chun Sing, Roy, Patrick, Lau, Cheuk Kun, Wang, Zhaoyin, John, Scheigetz
• Granted Patent: US 6,509,716 B2
• Time in Patent Office: Days
• US Class Current: 320/115
• CPC Class Codes: H02J 7/00034 Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
• CPC Class Codes: H04M 1/11 Supports for sets, e.g. incorporating armrests
• CPC Class Codes: H04M 1/6041 Portable telephones adapted for handsfree use
• CPC Class Codes: H04M 1/72442 for playing music files

Abstract

A battery charger for a cellular phone, having a speaker includes an ear jack connected to an ear jack of the cellular phone, for transmitting a voice signal of the cellular phone to the battery charger, a voice amplifier for amplifying the voice signal from the ear jack, and a speaker for converting the voice signal output from the voice amplifier into voice. The battery charger for a cellular phone, having a speaker further includes a communication port connected to a communication port of the cellular phone when the cellular phone is inserted(connected) to the battery charger, for mutually transmitting the voice signal, and a selector for connecting either the communication port or the ear jack with the voice amplifier.

Claims

1. A battery charger for a cellular phone having a speaker comprising:

an ear jack connected to an ear jack of the cellular phone, for transmitting a voice signal of the cellular phone to the battery charger;

a voice amplifier for amplifying the voice signal from the ear jack; and

a speaker for converting the voice signal output from the voice amplifier into voice.

2. The battery charger for a cellular phone having a speaker according to

claim 1

, further comprising:

a communication port connected to a communication port of the cellular phone when the cellular phone is inserted(connected) to the battery charger, for mutually transmitting the voice signal; and

a selector for connecting either the communication port or the ear jack to the voice amplifier.

3. The battery charger for a cellular phone having a speaker according to

claim 2

, further comprising a memory for storing a music signal input from the communication port.

4. The battery charger for a cellular phone having a speaker according to

claim 2

, wherein the selector connects the ear jack with the voice amplifier if the ear jack is connected with the ear jack of the cellular phone.

5. The battery charger for a cellular phone having a speaker according to

claim 2

, wherein the selector connects the communication port with the voice amplifier if the communication port is connected with the communication port of the cellular phone.

6. The battery charger for a cellular phone having a speaker according to

claim 1

, wherein the communication port includes a charging terminal for charging the battery of the cellular phone, and a transmitting terminal for transmitting the voice signal.

7. The battery charger for a cellular phone having a speaker according to

claim 6

, wherein the communication port further includes a sensing terminal for sensing whether the cellular phone is inserted(connected) to the battery charger.

8. The battery charger for a cellular phone having a speaker according to

claim 1

, wherein the voice amplifier and the speaker are driven by a voltage oscillated by the battery charger.

9. A battery charger for a cellular phone having a speaker comprising:

a communication port connected to a communication port of the cellular phone when the cellular phone is inserted(connected) into the battery charger, for mutually transmitting a voice signal;

a voice amplifier for amplifying the voice signal from the communication port; and

a speaker for converting the voice signal output from the voice amplifier into voice.

10. The battery charger for a cellular phone having a speaker according to

claim 9

, wherein the communication port includes a charging terminal for charging the battery of the cellular phone, and a transmitting terminal for transmitting the voice signal.

11. The battery charger for a cellular phone having a speaker according to

claim 10

, wherein the communication port further includes a sensing terminal for sensing whether the cellular phone is inserted(connected) to the battery charger.

12. The battery charger for a cellular phone having a speaker according to

claim 9

, further comprising a memory for storing a music signal input from the communication port.

13. The battery charger for a cellular phone having a speaker according to

claim 9

, wherein the voice amplifier and the speaker are driven by a voltage oscillated by the battery charger.