CA1074401A - Selective calling system - Google Patents
Selective calling systemInfo
- Publication number
- CA1074401A CA1074401A CA244,315A CA244315A CA1074401A CA 1074401 A CA1074401 A CA 1074401A CA 244315 A CA244315 A CA 244315A CA 1074401 A CA1074401 A CA 1074401A
- Authority
- CA
- Canada
- Prior art keywords
- storage
- calling
- sign discriminator
- section
- storage circuits
- 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
Links
- 230000005540 biological transmission Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000000881 depressing effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/222—Personal calling arrangements or devices, i.e. paging systems
- G08B5/223—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
- G08B5/224—Paging receivers with visible signalling details
-
- 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
- G08B3/1016—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1165875A JPS5518084B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-01-28 | 1975-01-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1074401A true CA1074401A (en) | 1980-03-25 |
Family
ID=11784062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA244,315A Expired CA1074401A (en) | 1975-01-28 | 1976-01-27 | Selective calling system |
Country Status (6)
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4087793A (en) * | 1976-10-28 | 1978-05-02 | Motorola, Inc. | Digital electronic control and switching arrangement |
DE3029034A1 (de) * | 1980-07-31 | 1982-02-18 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Funkempfaenger |
JPH0246131Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1981-01-30 | 1990-12-05 | ||
US4412217A (en) * | 1981-09-29 | 1983-10-25 | Motorola, Inc. | Pager with visible display indicating status of memory |
US4385295A (en) * | 1981-09-29 | 1983-05-24 | Motorola, Inc. | Pager with visible display indicating unread messages |
GB2124002B (en) * | 1982-06-30 | 1986-04-16 | Secom Co Ltd | A portable emergency-indicating apparatus |
JPH01309524A (ja) * | 1988-06-08 | 1989-12-13 | Toshiba Corp | 移動無線機 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1184253B (de) * | 1963-05-29 | 1964-12-23 | Richard Steiner | Schaltungsanordnung zum Auswerten von Rufsignalen in Fernmeldeanlagen |
-
1975
- 1975-01-28 JP JP1165875A patent/JPS5518084B2/ja not_active Expired
-
1976
- 1976-01-15 DE DE19762601364 patent/DE2601364A1/de not_active Ceased
- 1976-01-22 FR FR7601680A patent/FR2299771A1/fr active Granted
- 1976-01-27 GB GB3156/76A patent/GB1516932A/en not_active Expired
- 1976-01-27 CA CA244,315A patent/CA1074401A/en not_active Expired
- 1976-01-28 CH CH103176A patent/CH595019A5/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2601364A1 (de) | 1976-07-29 |
JPS5186303A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-07-28 |
JPS5518084B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-05-16 |
GB1516932A (en) | 1978-07-05 |
FR2299771A1 (fr) | 1976-08-27 |
FR2299771B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-07-16 |
CH595019A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-01-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |