CH593527A5 - - Google Patents
Info
- Publication number
- CH593527A5 CH593527A5 CH437176A CH437176A CH593527A5 CH 593527 A5 CH593527 A5 CH 593527A5 CH 437176 A CH437176 A CH 437176A CH 437176 A CH437176 A CH 437176A CH 593527 A5 CH593527 A5 CH 593527A5
- Authority
- CH
- Switzerland
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/022—Selective call receivers
- H04W88/025—Selective call decoders
- H04W88/027—Selective call decoders using frequency address codes
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
- G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/12—Electric signal transmission systems in which the signal transmitted is frequency or phase of ac
- G08C19/14—Electric signal transmission systems in which the signal transmitted is frequency or phase of ac using combination of fixed frequencies
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752515265 DE2515265B1 (de) | 1975-04-08 | 1975-04-08 | Verfahren und Schaltungsanordnung zur Auswertung von Folgetonsignalen |
| DE19762612331 DE2612331C2 (de) | 1976-03-23 | 1976-03-23 | Verfahren und Schaltungsanordnung zur Auswertung von Folgetonsignalen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH593527A5 true CH593527A5 (US07122547-20061017-C00032.png) | 1977-12-15 |
Family
ID=25768731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH437176A CH593527A5 (US07122547-20061017-C00032.png) | 1975-04-08 | 1976-04-07 |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT343213B (US07122547-20061017-C00032.png) |
| CH (1) | CH593527A5 (US07122547-20061017-C00032.png) |
| FR (1) | FR2307423A1 (US07122547-20061017-C00032.png) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3766523A (en) * | 1972-10-04 | 1973-10-16 | Motorola Inc | Sequential tone signalling system |
| US3803429A (en) * | 1972-11-07 | 1974-04-09 | Motorola Inc | Switchable frequency tone filter and detector with high speed switching capability |
| DE2311204B1 (de) * | 1973-03-07 | 1974-03-28 | Bosch Gmbh Robert | Auswerter fuer einen aus mehreren aufeinanderfolgenden Tonfrequenzen vorgegebener Dauer bestehenden Selektivruf |
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1976
- 1976-04-05 AT AT245276A patent/AT343213B/de not_active IP Right Cessation
- 1976-04-07 CH CH437176A patent/CH593527A5/xx not_active IP Right Cessation
- 1976-04-08 FR FR7610288A patent/FR2307423A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2307423B1 (US07122547-20061017-C00032.png) | 1979-04-20 |
| FR2307423A1 (fr) | 1976-11-05 |
| AT343213B (de) | 1978-05-10 |
| ATA245276A (de) | 1977-09-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |