NL168973C - Omroepstelsel. - Google Patents

Omroepstelsel.

Info

Publication number
NL168973C
NL168973C NLAANVRAGE7215855,A NL7215855A NL168973C NL 168973 C NL168973 C NL 168973C NL 7215855 A NL7215855 A NL 7215855A NL 168973 C NL168973 C NL 168973C
Authority
NL
Netherlands
Prior art keywords
broadcasting system
broadcasting
Prior art date
Application number
NLAANVRAGE7215855,A
Other languages
English (en)
Other versions
NL7215855A (nl
NL168973B (nl
Inventor
Abraham Janssens
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NLAANVRAGE7215855,A priority Critical patent/NL168973C/nl
Priority to DE19732355081 priority patent/DE2355081C3/de
Priority to CA185,661A priority patent/CA1003901A/en
Priority to JP13064573A priority patent/JPS5330562B2/ja
Priority to GB5382073A priority patent/GB1440795A/en
Priority to US417550A priority patent/US3927373A/en
Priority to FR7341596A priority patent/FR2208148B1/fr
Publication of NL7215855A publication Critical patent/NL7215855A/xx
Publication of NL168973B publication Critical patent/NL168973B/nl
Application granted granted Critical
Publication of NL168973C publication Critical patent/NL168973C/nl

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]
    • H04W84/022—One-way selective calling networks, e.g. wide area paging
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
NLAANVRAGE7215855,A 1972-11-23 1972-11-23 Omroepstelsel. NL168973C (nl)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NLAANVRAGE7215855,A NL168973C (nl) 1972-11-23 1972-11-23 Omroepstelsel.
DE19732355081 DE2355081C3 (de) 1972-11-23 1973-11-03 Funkrufsystem
CA185,661A CA1003901A (en) 1972-11-23 1973-11-13 Radio paging communication system
JP13064573A JPS5330562B2 (nl) 1972-11-23 1973-11-20
GB5382073A GB1440795A (en) 1972-11-23 1973-11-20 Paging system
US417550A US3927373A (en) 1972-11-23 1973-11-20 Paging system
FR7341596A FR2208148B1 (nl) 1972-11-23 1973-11-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7215855,A NL168973C (nl) 1972-11-23 1972-11-23 Omroepstelsel.

Publications (3)

Publication Number Publication Date
NL7215855A NL7215855A (nl) 1974-05-27
NL168973B NL168973B (nl) 1981-12-16
NL168973C true NL168973C (nl) 1982-05-17

Family

ID=19817408

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7215855,A NL168973C (nl) 1972-11-23 1972-11-23 Omroepstelsel.

Country Status (6)

Country Link
US (1) US3927373A (nl)
JP (1) JPS5330562B2 (nl)
CA (1) CA1003901A (nl)
FR (1) FR2208148B1 (nl)
GB (1) GB1440795A (nl)
NL (1) NL168973C (nl)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH589378A5 (nl) * 1975-06-05 1977-06-30 Landis & Gyr Ag
GB1540570A (en) * 1977-09-09 1979-02-14 Philips Electronic Associated Radio transmission systems
US4231114A (en) * 1978-02-27 1980-10-28 Motorola, Inc. Synchronizing means for a two-way communication system
US4317220A (en) * 1979-02-05 1982-02-23 Andre Martin Simulcast transmission system
US4451930A (en) * 1982-08-02 1984-05-29 Motorola Inc. Phase-locked receiver with derived reference frequency
US4608699A (en) * 1982-12-27 1986-08-26 Motorola, Inc. Simulcast transmission system
GB2140233A (en) * 1983-05-17 1984-11-21 Marconi Co Ltd Apparatus for transmitting electromagnetic energy
US4571621A (en) * 1983-06-15 1986-02-18 Microband Corporation Of America Television transmitter
FI71452C (fi) * 1985-04-10 1986-12-19 Arvo Mustonen Synkroniseringsfoerfarande foer ett lokalt t ex riksomfattandepersonsoekarnaets radiosaendare
US5046124A (en) * 1989-03-21 1991-09-03 Tft, Inc. Frequency modulated radio frequency broadcast network employing a synchronous frequency modulated booster system
US5065450A (en) * 1989-03-21 1991-11-12 Tft, Inc. Frequency modulated radio frequency broadcast network employing a synchronous frequency modulated booster system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2033237A (en) * 1934-08-15 1936-03-10 American Telephone & Telegraph Frequency control system
GB1263928A (en) * 1968-06-27 1972-02-16 Plessey Co Ltd Improvements in or relating to frequency synthesisers

Also Published As

Publication number Publication date
FR2208148B1 (nl) 1978-08-04
DE2355081B2 (de) 1976-07-29
JPS4984306A (nl) 1974-08-13
US3927373A (en) 1975-12-16
FR2208148A1 (nl) 1974-06-21
CA1003901A (en) 1977-01-18
NL7215855A (nl) 1974-05-27
GB1440795A (en) 1976-06-23
NL168973B (nl) 1981-12-16
JPS5330562B2 (nl) 1978-08-28
DE2355081A1 (de) 1974-06-06

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee