JPS524702A - Single frequency communication system utilizing radio frequency repeater - Google Patents
Single frequency communication system utilizing radio frequency repeaterInfo
- Publication number
- JPS524702A JPS524702A JP51074567A JP7456776A JPS524702A JP S524702 A JPS524702 A JP S524702A JP 51074567 A JP51074567 A JP 51074567A JP 7456776 A JP7456776 A JP 7456776A JP S524702 A JPS524702 A JP S524702A
- Authority
- JP
- Japan
- Prior art keywords
- communication system
- system utilizing
- utilizing radio
- repeater
- radio frequency
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/14—WLL [Wireless Local Loop]; RLL [Radio Local Loop]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/591,211 US3946315A (en) | 1975-06-27 | 1975-06-27 | Single frequency signalling in a radiotelephone communication system with idle condition signal generator at one terminal activated by another terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS524702A true JPS524702A (en) | 1977-01-14 |
Family
ID=24365553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51074567A Pending JPS524702A (en) | 1975-06-27 | 1976-06-25 | Single frequency communication system utilizing radio frequency repeater |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3946315A (ja) |
| JP (1) | JPS524702A (ja) |
| CA (1) | CA1051520A (ja) |
| FR (1) | FR2315807A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03283724A (ja) * | 1990-03-30 | 1991-12-13 | Nippon Telegr & Teleph Corp <Ntt> | 移動伝搬遅延軽減方法 |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4068104A (en) * | 1976-05-14 | 1978-01-10 | Digital Communications Corporation | Interface for in band SCPC supervisory and signalling system |
| CA1075839A (en) * | 1977-08-23 | 1980-04-15 | John R. Barkwith | Idle-busy signalling between telephone system and radiophone system |
| US4220821A (en) * | 1978-06-16 | 1980-09-02 | Communications Satellite Corporation | Off-hook initiated demand assignment communications |
| CA1171514A (en) * | 1980-08-29 | 1984-07-24 | Ultrak, Inc. | Supervised wireless security system |
| US4367458A (en) * | 1980-08-29 | 1983-01-04 | Ultrak Inc. | Supervised wireless security system |
| DE3101542C2 (de) * | 1981-01-20 | 1985-09-26 | Ruhrkohle Ag, 4300 Essen | Ruf- und Signalanlage für Grubenbetriebe |
| US4430755A (en) | 1981-05-14 | 1984-02-07 | Motorola, Inc. | Portable radio telephone |
| US5262628A (en) * | 1982-01-25 | 1993-11-16 | Symbol Technologies, Inc. | Narrow-bodied, single- and twin-windowed portable laser scanning head for reading bar code symbols |
| US4553262A (en) * | 1983-11-25 | 1985-11-12 | Motorola, Inc. | Communications system enabling radio link access for non-trunked radio units to a multifrequency trunked two-way communications systems |
| EP0173984A3 (en) * | 1984-08-31 | 1989-06-07 | Fujitsu Limited | System for controlling the isdn activation sequence |
| US5222247A (en) * | 1990-10-01 | 1993-06-22 | Motorola, Inc. | Method for maximizing channel selection in a communication system |
| USD1042416S1 (en) * | 2022-08-02 | 2024-09-17 | Headwaters, Inc. | Pillow sound system |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2607887A (en) * | 1950-04-22 | 1952-08-19 | Bell Telephone Labor Inc | Radio telephone system |
| US3209258A (en) * | 1961-05-22 | 1965-09-28 | Gen Electric | Radio communication system |
| US3292087A (en) * | 1963-09-24 | 1966-12-13 | Stelma Inc | Signal monitoring and switching circuits for a terminal facility |
| US3377435A (en) * | 1964-04-30 | 1968-04-09 | Itt | Land-to-mobile telephone link |
| US3428899A (en) * | 1964-12-28 | 1969-02-18 | Nippon Electric Co | Selective communication system wherein fach information pulse is address coded for transmission on a selected idle carrier frequency |
| US3458664A (en) * | 1965-10-14 | 1969-07-29 | Motorola Inc | Control unit for mobile radio telephone system |
| DE1591305B1 (de) * | 1966-02-23 | 1971-03-11 | Nippon Electric Co | Satelliten uebertragungssystem mit beliebugem zugriff fuer mehrere bodenstationen |
| US3555424A (en) * | 1967-06-21 | 1971-01-12 | Itt | Means for allocating radio link channels in mobile telephone systems |
| US3571519A (en) * | 1968-10-31 | 1971-03-16 | Motorola Inc | Synchronous supervisory unit for mobile telephone system |
| FR2029895A5 (ja) * | 1969-01-30 | 1970-10-23 | Materiel Telephonique |
-
1975
- 1975-06-27 US US05/591,211 patent/US3946315A/en not_active Expired - Lifetime
-
1976
- 1976-04-23 CA CA250,905A patent/CA1051520A/en not_active Expired
- 1976-05-21 FR FR7615451A patent/FR2315807A1/fr not_active Withdrawn
- 1976-06-25 JP JP51074567A patent/JPS524702A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03283724A (ja) * | 1990-03-30 | 1991-12-13 | Nippon Telegr & Teleph Corp <Ntt> | 移動伝搬遅延軽減方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2315807A1 (fr) | 1977-01-21 |
| US3946315A (en) | 1976-03-23 |
| CA1051520A (en) | 1979-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1546604A (en) | Radio communication systems | |
| JPS5298401A (en) | Radio communication system | |
| AU502553B2 (en) | Radio repeater | |
| JPS5343401A (en) | Radio communication system | |
| JPS5246712A (en) | Limited space radio communication system | |
| GB2004398B (en) | Digital radio pacing communication system | |
| GB1549634A (en) | Data communications receiver | |
| JPS5276803A (en) | Loop communication system | |
| MX146540A (es) | Sistema de comunicacion de radiofrecuencia mejorado | |
| GB1548752A (en) | Single frequency radio ranging system | |
| JPS524702A (en) | Single frequency communication system utilizing radio frequency repeater | |
| JPS5570127A (en) | Radio receiver | |
| AU497317B2 (en) | Radio receiver | |
| GB1439399A (en) | Radio repeater system | |
| JPS53110312A (en) | Single sideeband operation directional radio communication system | |
| JPS5236277A (en) | Communication system | |
| IL52391A (en) | Frequency division multiplex radio relay system | |
| JPS57107649A (en) | Radio frequency communication system | |
| JPS5244508A (en) | Radio receiver | |
| JPS51138312A (en) | Communication system | |
| JPS55102937A (en) | Radio communication system | |
| ZA804622B (en) | Radio communication systems | |
| JPS53145411A (en) | Radio repeater system | |
| JPS524107A (en) | Frequency and time division multiplex communication system | |
| JPS5351902A (en) | Radio communication system |