NL267845A - - Google Patents

Info

Publication number
NL267845A
NL267845A NL267845DA NL267845A NL 267845 A NL267845 A NL 267845A NL 267845D A NL267845D A NL 267845DA NL 267845 A NL267845 A NL 267845A
Authority
NL
Netherlands
Prior art keywords
stages
conditions
input
class
operate
Prior art date
Application number
Other languages
English (en)
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.)
Publication date
Publication of NL267845A publication Critical patent/NL267845A/xx

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0244—Stepped control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1607—Supply circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0241—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where no transmission is received, e.g. out of range of the transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
    • H04W52/0277—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof according to available power supply, e.g. switching off when a low battery condition is detected
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Mobile Radio Communication Systems (AREA)
NL267845D 1959-04-27 NL267845A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH7260059A CH369047A (de) 1959-04-27 1959-04-27 Tragbarer Rufsignalempfänger mit Transistor-Signalverstärker

Publications (1)

Publication Number Publication Date
NL267845A true NL267845A (enExample) 1900-01-01

Family

ID=4531928

Family Applications (1)

Application Number Title Priority Date Filing Date
NL267845D NL267845A (enExample) 1959-04-27

Country Status (4)

Country Link
CH (1) CH369047A (enExample)
DE (1) DE1120324B (enExample)
GB (1) GB908100A (enExample)
NL (1) NL267845A (enExample)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1872347A (en) * 1929-03-30 1932-08-16 Rca Corp Amplifier tube control
NL40011C (enExample) * 1932-04-30 1937-02-15

Also Published As

Publication number Publication date
DE1120324B (de) 1961-12-21
GB908100A (en) 1962-10-17
CH369047A (de) 1963-04-30

Similar Documents

Publication Publication Date Title
US3106684A (en) Amplifier with interrupted positive feedback
US3743945A (en) Limiter for multi frequency voice receiver
US3716790A (en) Single sideband system utilizing two tone modulation
US3350650A (en) Noise and audio controlled squelch circuit
US2980794A (en) Automatic tone decoder
US2546987A (en) Noise suppression circuit
GB1030578A (en) Detector circuits for damped a.c. signal waves
US2993991A (en) Communication device
GB908100A (en) Improvements in or relating to signal receivers using transistors
US3336533A (en) Electronic circuit
US3165699A (en) Automatic gain control system for suppressed carrier single sideband radio receivers
US2879383A (en) Signal monitoring apparatus
US4203073A (en) Radio receiver blanker gate
US3441854A (en) Encoder-decoder circuit including diode switching of a stage from an amplifier to an oscillator
US3173065A (en) Tone detector
US3131354A (en) Tone control receiver circuit
GB981158A (en) Radio receiver squelch system
US3534268A (en) Suppression of noise transmission in a network
US3478271A (en) Noise control circuit
US3300723A (en) Squelch circuit
US2837740A (en) Proportional gate circuit
US3218555A (en) Selective calling system
US3339140A (en) Solid-state two-way radio switching system application
US2330593A (en) High frequency communication system
US3588374A (en) Receiver for signalling signals of a frequency lying in the speech-frequency band