FR2864866B3 - WIRELESS TRANSMITTER-RECEIVER APPARATUS - Google Patents
WIRELESS TRANSMITTER-RECEIVER APPARATUSInfo
- Publication number
- FR2864866B3 FR2864866B3 FR0402358A FR0402358A FR2864866B3 FR 2864866 B3 FR2864866 B3 FR 2864866B3 FR 0402358 A FR0402358 A FR 0402358A FR 0402358 A FR0402358 A FR 0402358A FR 2864866 B3 FR2864866 B3 FR 2864866B3
- Authority
- FR
- France
- Prior art keywords
- wireless transmitter
- receiver apparatus
- receiver
- transmitter
- wireless
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
- H04M1/6041—Portable telephones adapted for handsfree use
- H04M1/6058—Portable telephones adapted for handsfree use involving the use of a headset accessory device connected to the portable telephone
- H04M1/6066—Portable telephones adapted for handsfree use involving the use of a headset accessory device connected to the portable telephone including a wireless connection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/44—Transmit/receive switching
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
- Telephone Set Structure (AREA)
- Telephone Function (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW93200136U TWM252198U (en) | 2004-01-05 | 2004-01-05 | Wireless transceiver apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2864866A3 FR2864866A3 (en) | 2005-07-08 |
FR2864866B3 true FR2864866B3 (en) | 2005-12-02 |
Family
ID=32092060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0402358A Expired - Fee Related FR2864866B3 (en) | 2004-01-05 | 2004-03-05 | WIRELESS TRANSMITTER-RECEIVER APPARATUS |
Country Status (6)
Country | Link |
---|---|
JP (1) | JP3103898U (en) |
DE (1) | DE202004003460U1 (en) |
FR (1) | FR2864866B3 (en) |
GB (1) | GB2409790A (en) |
IT (1) | ITMI20040078U1 (en) |
TW (1) | TWM252198U (en) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS558142A (en) * | 1978-07-03 | 1980-01-21 | Nippon Telegr & Teleph Corp <Ntt> | Loudspeaker call system |
JPS5850078B2 (en) * | 1979-05-04 | 1983-11-08 | 株式会社 弦エンジニアリング | Vibration pickup type ear microphone transmitting device and transmitting/receiving device |
JPS6068734U (en) * | 1983-10-18 | 1985-05-15 | 株式会社岩田エレクトリツク | handset |
US4972468A (en) * | 1987-10-14 | 1990-11-20 | Sanshin Kogyo Kabushiki Kaisha | Transceiver for hanging on an ear |
AU5577394A (en) * | 1992-11-02 | 1994-05-24 | Lourens George Bordewijk | Sound amplification system |
JPH08181754A (en) * | 1994-12-21 | 1996-07-12 | Matsushita Electric Ind Co Ltd | Handset for communication equipment |
US6298249B1 (en) * | 1998-10-08 | 2001-10-02 | Mine Safety Appliances Company | Radio apparatus head-protective helmet |
GB2365692B (en) * | 2000-02-22 | 2002-06-26 | Motorola Ltd | Wireless speaker for radio communication device |
DE20108028U1 (en) * | 2001-05-04 | 2002-01-03 | Kuncic, Franz Andrä, Dipl.-Ing., 10969 Berlin | Mobile communication device, suitable for wearing on the neck |
-
2004
- 2004-01-05 TW TW93200136U patent/TWM252198U/en not_active IP Right Cessation
- 2004-03-02 GB GB0404716A patent/GB2409790A/en not_active Withdrawn
- 2004-03-02 IT ITMI20040078 patent/ITMI20040078U1/en unknown
- 2004-03-05 DE DE200420003460 patent/DE202004003460U1/en not_active Expired - Lifetime
- 2004-03-05 FR FR0402358A patent/FR2864866B3/en not_active Expired - Fee Related
- 2004-03-10 JP JP2004001170U patent/JP3103898U/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3103898U (en) | 2004-08-26 |
DE202004003460U1 (en) | 2004-07-08 |
ITMI20040078U1 (en) | 2004-06-02 |
GB2409790A (en) | 2005-07-06 |
TWM252198U (en) | 2004-12-01 |
GB0404716D0 (en) | 2004-04-07 |
FR2864866A3 (en) | 2005-07-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20061130 |