JPS55166326A - Channel switching circuit - Google Patents
Channel switching circuitInfo
- Publication number
- JPS55166326A JPS55166326A JP7410779A JP7410779A JPS55166326A JP S55166326 A JPS55166326 A JP S55166326A JP 7410779 A JP7410779 A JP 7410779A JP 7410779 A JP7410779 A JP 7410779A JP S55166326 A JPS55166326 A JP S55166326A
- Authority
- JP
- Japan
- Prior art keywords
- output
- transmission
- oscillator
- channel switching
- variable
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 abstract 5
- 238000001514 detection method Methods 0.000 abstract 2
Classifications
-
- 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
- H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
- H04B1/405—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with multiple discrete channels
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
- Transmitters (AREA)
- Circuits Of Receivers In General (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7410779A JPS55166326A (en) | 1979-06-12 | 1979-06-12 | Channel switching circuit |
| US06/157,797 US4373205A (en) | 1979-06-12 | 1980-06-09 | Radio subscriber system with efficient use of radio frequency carrier waves |
| AU59220/80A AU532127B2 (en) | 1979-06-12 | 1980-06-11 | Radio subscriber system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7410779A JPS55166326A (en) | 1979-06-12 | 1979-06-12 | Channel switching circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55166326A true JPS55166326A (en) | 1980-12-25 |
Family
ID=13537629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7410779A Pending JPS55166326A (en) | 1979-06-12 | 1979-06-12 | Channel switching circuit |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4373205A (ja) |
| JP (1) | JPS55166326A (ja) |
| AU (1) | AU532127B2 (ja) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4585903A (en) * | 1982-01-25 | 1986-04-29 | Viking Phone Company | Cordless telephone |
| US4562572A (en) * | 1983-01-11 | 1985-12-31 | International Telephone And Telegraph Corporation | Cellular mobile radio service telephone system |
| JPS59186436A (ja) * | 1983-04-07 | 1984-10-23 | Sony Corp | コ−ドレステレホン |
| US5291474A (en) * | 1989-05-18 | 1994-03-01 | Nokia Mobile Phones Ltd. | Procedure for forming frequencies of a digital radio telephone |
| DE4009750C2 (de) * | 1990-03-27 | 1993-10-28 | Rohde & Schwarz | Heterodyner Analysator zum Messen von Pegel- und Phasen-Frequenzcharakteristiken von Vierpolen |
| JP2998296B2 (ja) * | 1991-05-31 | 2000-01-11 | 日本電気株式会社 | ディジタル無線通信装置 |
| US5209656A (en) * | 1991-08-29 | 1993-05-11 | Praxair Technology, Inc. | Combustion system for high velocity gas injection |
| US5230088A (en) * | 1991-10-24 | 1993-07-20 | Symbol Technologies, Inc. | Radio transceiver and related method of frequency control |
| JP3252653B2 (ja) * | 1995-06-05 | 2002-02-04 | 三菱電機株式会社 | 送受信機 |
| US5828955A (en) * | 1995-08-30 | 1998-10-27 | Rockwell Semiconductor Systems, Inc. | Near direct conversion receiver and method for equalizing amplitude and phase therein |
| KR100186753B1 (ko) * | 1996-08-24 | 1999-05-15 | 삼성전자주식회사 | 직접 변복조 방식이 적용된 디지탈 무선 송수신 시스템 |
| JP2003528529A (ja) * | 2000-03-21 | 2003-09-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 周波数変調器及び単一局部発振器を備える通信システム |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5151209A (en) * | 1974-10-31 | 1976-05-06 | Alps Electric Co Ltd | fm toranshiibakairo |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1462279A (fr) * | 1965-09-21 | 1966-04-15 | Cit Alcatel | Liaisons radio à fréquences porteuses aléatoires |
| US3829778A (en) * | 1973-03-26 | 1974-08-13 | United Aircraft Corp | Call apparatus in a single oscillator microwave transceiver |
| US4147984A (en) * | 1977-04-27 | 1979-04-03 | Texas Instruments Incorporated | Dual digital processor transceiver |
| JPS54127209A (en) * | 1978-03-27 | 1979-10-03 | Hitachi Denshi Ltd | Structure system of radio equipment |
-
1979
- 1979-06-12 JP JP7410779A patent/JPS55166326A/ja active Pending
-
1980
- 1980-06-09 US US06/157,797 patent/US4373205A/en not_active Expired - Lifetime
- 1980-06-11 AU AU59220/80A patent/AU532127B2/en not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5151209A (en) * | 1974-10-31 | 1976-05-06 | Alps Electric Co Ltd | fm toranshiibakairo |
Also Published As
| Publication number | Publication date |
|---|---|
| AU532127B2 (en) | 1983-09-15 |
| AU5922080A (en) | 1980-12-18 |
| US4373205A (en) | 1983-02-08 |
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