GB1396600A - Selective signalling apparatus with storage of call signals - Google Patents

Selective signalling apparatus with storage of call signals

Info

Publication number
GB1396600A
GB1396600A GB5491472A GB5491472A GB1396600A GB 1396600 A GB1396600 A GB 1396600A GB 5491472 A GB5491472 A GB 5491472A GB 5491472 A GB5491472 A GB 5491472A GB 1396600 A GB1396600 A GB 1396600A
Authority
GB
United Kingdom
Prior art keywords
gate
input
tone
output
inverter
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
Application number
GB5491472A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of GB1396600A publication Critical patent/GB1396600A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems, e.g. audible personal calling systems
    • G08B3/10—Audible signalling systems, e.g. 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
    • G08B3/1025—Paging receivers with audible signalling details
    • G08B3/105—Paging receivers with audible signalling details with call or message storage means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
GB5491472A 1971-12-06 1972-11-28 Selective signalling apparatus with storage of call signals Expired GB1396600A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20507171A 1971-12-06 1971-12-06

Publications (1)

Publication Number Publication Date
GB1396600A true GB1396600A (en) 1975-06-04

Family

ID=22760669

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5491472A Expired GB1396600A (en) 1971-12-06 1972-11-28 Selective signalling apparatus with storage of call signals

Country Status (7)

Country Link
US (1) US3742481A (enExample)
JP (1) JPS5118762B2 (enExample)
AR (1) AR195575A1 (enExample)
CA (1) CA1002117A (enExample)
DE (1) DE2259767B2 (enExample)
FR (1) FR2162499B1 (enExample)
GB (1) GB1396600A (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010460A (en) * 1974-12-12 1977-03-01 Bell & Howell Company Alerting system with memory
US4010461A (en) * 1975-01-17 1977-03-01 Bell & Howell Company Alerting system with dual-address memory
US3992698A (en) * 1975-04-15 1976-11-16 Westinghouse Electric Corporation Fail-safe speed command signal decoder
US4145684A (en) * 1976-05-28 1979-03-20 Bell & Howell Company Alerting system with dual-address memory
US4087793A (en) * 1976-10-28 1978-05-02 Motorola, Inc. Digital electronic control and switching arrangement
US4072903A (en) * 1976-12-10 1978-02-07 General Electric Company Storage circuit for paging radio receivers
JPS57101996A (en) * 1980-12-16 1982-06-24 Nippon Electric Co Call indication circuit
US4419668A (en) * 1981-09-25 1983-12-06 Motorola, Inc. Combined tone only and tone voice multiple alert pager
US4438433A (en) 1981-09-29 1984-03-20 Motorola, Inc. Multiaddress pager with a call storage and priority paging option
US4644351A (en) * 1984-05-08 1987-02-17 Motorola, Inc. Two way personal message system with extended coverage
CA2109006C (en) * 1992-10-23 1999-12-28 Hiroaki Shibayama Radio paging receiver
JP2665204B2 (ja) * 1995-06-20 1997-10-22 静岡日本電気株式会社 無線選択呼出受信機

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3510864A (en) * 1967-08-17 1970-05-05 Ramsey H Mcdonald Paging encoder

Also Published As

Publication number Publication date
FR2162499B1 (enExample) 1976-04-23
CA1002117A (en) 1976-12-21
US3742481A (en) 1973-06-26
JPS5118762B2 (enExample) 1976-06-12
AU4946972A (en) 1974-05-30
DE2259767A1 (de) 1973-06-20
AR195575A1 (es) 1973-10-23
DE2259767B2 (de) 1973-10-04
FR2162499A1 (enExample) 1973-07-20
JPS4866305A (enExample) 1973-09-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee