IL35026A - Channel scanning circuit and channel supervision are preferable to radio receiver - Google Patents

Channel scanning circuit and channel supervision are preferable to radio receiver

Info

Publication number: IL35026A
Authority: IL; Israel
Prior art keywords: circuit; output; switching means; transistor; priority channel
Prior art date: 1969-08-08

Application number

IL35026A

Other languages

English (en)

Hebrew (he)

Other versions

IL35026A0 (en

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.)

1969-08-08

Filing date

1970-07-30

Publication date

1973-03-30

1970-07-30 Application filed by Motorola Inc filed Critical Motorola Inc

1970-09-17 Publication of IL35026A0 publication Critical patent/IL35026A0/xx

1973-03-30 Publication of IL35026A publication Critical patent/IL35026A/en

Links

238000012544 monitoring process Methods 0.000 title claims description 12
230000035945 sensitivity Effects 0.000 claims description 13
230000002401 inhibitory effect Effects 0.000 claims description 10
230000005236 sound signal Effects 0.000 claims description 7
238000001514 detection method Methods 0.000 claims description 5
230000003247 decreasing effect Effects 0.000 claims description 2
108091006146 Channels Proteins 0.000 description 99
239000003990 capacitor Substances 0.000 description 30
238000005070 sampling Methods 0.000 description 9
230000008878 coupling Effects 0.000 description 7
238000010168 coupling process Methods 0.000 description 7
238000005859 coupling reaction Methods 0.000 description 7
238000009877 rendering Methods 0.000 description 7
230000010355 oscillation Effects 0.000 description 4
230000002238 attenuated effect Effects 0.000 description 3
230000005540 biological transmission Effects 0.000 description 3
230000002829 reductive effect Effects 0.000 description 3
230000002441 reversible effect Effects 0.000 description 3
238000009924 canning Methods 0.000 description 2
238000010586 diagram Methods 0.000 description 2
238000007599 discharging Methods 0.000 description 2
206010016352 Feeling of relaxation Diseases 0.000 description 1
241000557769 Iodes Species 0.000 description 1
230000002730 additional effect Effects 0.000 description 1
239000000969 carrier Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000000737 periodic effect Effects 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
230000001960 triggered effect Effects 0.000 description 1
230000000007 visual effect Effects 0.000 description 1

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/246—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection using electronic means
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/18—Automatic scanning over a band of frequencies

Landscapes

Noise Elimination (AREA)
Circuits Of Receivers In General (AREA)
Manipulation Of Pulses (AREA)
Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Transceivers (AREA)
Junction Field-Effect Transistors (AREA)

IL35026A 1969-08-08 1970-07-30 Channel scanning circuit and channel supervision are preferable to radio receiver IL35026A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US84862869A	1969-08-08	1969-08-08

Publications (2)

Publication Number	Publication Date
IL35026A0 IL35026A0 (en)	1970-09-17
IL35026A true IL35026A (en)	1973-03-30

Family

ID=25303840

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL35026A IL35026A (en)	1969-08-08	1970-07-30	Channel scanning circuit and channel supervision are preferable to radio receiver

Country Status (12)

Country	Link
US (1)	US3614621A (da)
JP (1)	JPS5028201B1 (da)
KR (1)	KR780000389B1 (da)
CA (1)	CA925571A (da)
DE (1)	DE2039436C3 (da)
DK (1)	DK132359C (da)
FR (1)	FR2056675A5 (da)
GB (1)	GB1314577A (da)
IL (1)	IL35026A (da)
NL (1)	NL172908C (da)
SE (1)	SE360234B (da)
ZA (1)	ZA705182B (da)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3801914A (en) *	1972-06-27	1974-04-02	Gen Res Electronics Inc	Priority-frequency system for a signal-seeking receiver
US3890574A (en) *	1973-09-04	1975-06-17	Gen Res Electronics Inc	Time-sharing scanning receiver
JPS5439937Y2 (da) *	1974-05-27	1979-11-26
US4287599A (en) *	1976-08-02	1981-09-01	Motorola, Inc.	Multi-channel communication device with manual and automatic scanning electronic channel selection
FR2371821A1 (fr) *	1976-10-25	1978-06-16	Indesit	Dispositif d'accord pour recepteur de television
JPS53129514A (en) *	1977-04-18	1978-11-11	Saibanetsuto Kougiyou Kk	Device for controlling frequency phase synchronization search receiver
JPS5949736B2 (ja) *	1977-04-25	1984-12-04	三洋電機株式会社	優先チヤンネル付複数チヤンネル受信機
US4180776A (en) *	1978-04-27	1979-12-25	Lindemann Philip J	Automatic channel scanning attachment for manual CB radio transceiver
US4484357A (en) *	1982-03-10	1984-11-20	Motorola, Inc.	Spontaneous channel continuity scanning radio
US4608712A (en) *	1982-03-10	1986-08-26	Motorola, Inc.	Spontaneous channel continuity scanning radio
JPS58143469U (ja) *	1982-03-19	1983-09-27	新日本製鐵株式会社	電刷子の摩耗状況検知装置
JPS58182286U (ja) *	1982-05-28	1983-12-05	日立化成工業株式会社	ブラシ
USRE33157E (en) *	1983-12-27	1990-01-30	Motorola, Inc.	Null initiated method and system for monitoring a priority channel
US4573210A (en) *	1983-12-27	1986-02-25	Motorola, Inc.	Null initiated method and system for monitoring a priority channel
US4716407A (en) *	1985-10-07	1987-12-29	Motorola, Inc.	Trunked communication system true priority channel scan
US5465404A (en) *	1993-01-29	1995-11-07	Motorola, Inc.	Communications receiver with an adaptive squelch system
DE19831928A1 (de) *	1998-07-16	2000-02-03	Grundig Ag	Einrichtung zum Empfang mehrerer Rundfunksignale
US6625692B1 (en) *	1999-04-14	2003-09-23	Micron Technology, Inc.	Integrated semiconductor memory chip with presence detect data capability
US8355371B2 (en) *	2006-09-20	2013-01-15	Sharp Kabushiki Kaisha	Wireless communication device and wireless communication system
US9270307B2 (en)	2014-02-14	2016-02-23	Motorola Solutions, Inc.	Method and apparatus for improving audio reception in a paging device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2825804A (en) *	1954-10-29	1958-03-04	Sylvania Electric Prod	Local reception selector for signal seeking receiver
US3189829A (en) *	1961-07-24	1965-06-15	Westinghouse Electric Corp	Signal seeking receiving apparatus
US3388215A (en) *	1964-07-30	1968-06-11	Magnavox Co	Search tune system for television receivers
US3470481A (en) *	1964-12-01	1969-09-30	Gen Electric	Multichannel communication receiver with automatic sampling and lock in on one channel
US3531724A (en) *	1968-08-23	1970-09-29	Electra Corp	Signal-seeking radio receiver

1969
- 1969-08-08 US US848628A patent/US3614621A/en not_active Expired - Lifetime
1970
- 1970-07-09 CA CA087777A patent/CA925571A/en not_active Expired
- 1970-07-27 ZA ZA705182*A patent/ZA705182B/xx unknown
- 1970-07-30 IL IL35026A patent/IL35026A/en unknown
- 1970-07-31 GB GB3713470A patent/GB1314577A/en not_active Expired
- 1970-08-06 FR FR7029047A patent/FR2056675A5/fr not_active Expired
- 1970-08-06 NL NLAANVRAGE7011654,A patent/NL172908C/xx not_active IP Right Cessation
- 1970-08-07 SE SE10836/70A patent/SE360234B/xx unknown
- 1970-08-07 DE DE2039436A patent/DE2039436C3/de not_active Expired
- 1970-08-07 JP JP45068748A patent/JPS5028201B1/ja active Pending
- 1970-08-07 KR KR7001111A patent/KR780000389B1/ko not_active Expired
- 1970-08-10 DK DK409170A patent/DK132359C/da not_active IP Right Cessation

Also Published As

Publication number	Publication date
NL172908B (nl)	1983-06-01
CA925571A (en)	1973-05-01
NL7011654A (da)	1971-02-10
ZA705182B (en)	1971-04-28
IL35026A0 (en)	1970-09-17
DE2039436C3 (de)	1980-04-30
DK132359B (da)	1975-11-24
US3614621A (en)	1971-10-19
DE2039436A1 (de)	1971-04-01
GB1314577A (en)	1973-04-26
DK132359C (da)	1976-04-26
SE360234B (da)	1973-09-17
DE2039436B2 (de)	1972-07-27
FR2056675A5 (da)	1971-05-14
KR780000389B1 (en)	1978-10-04
NL172908C (nl)	1983-11-01
JPS5028201B1 (da)	1975-09-12

Publication	Publication Date	Title
IL35026A (en)	1973-03-30	Channel scanning circuit and channel supervision are preferable to radio receiver
US3617895A (en)	1971-11-02	Multifrequency receiver with automatic channel selection and priority channel monitoring
US3497813A (en)	1970-02-24	Multi-frequency receiver with automatic channel selection and priority channel monitoring
US3803429A (en)	1974-04-09	Switchable frequency tone filter and detector with high speed switching capability
US4370753A (en)	1983-01-25	Battery saver for a tone coded signalling system
US3470481A (en)	1969-09-30	Multichannel communication receiver with automatic sampling and lock in on one channel
US3750032A (en)	1973-07-31	Priority channel scanning system with dual response time control
US3619788A (en)	1971-11-09	Circuit for giving priority to one of a plurality of automatically monitored channels in a receiver
US3728634A (en)	1973-04-17	Muting arrangement for communication receivers employing counters to produce control signals from interfering beat frequencies of the received signals
US3794925A (en)	1974-02-26	Frequency-skipping system for a signal-seeking receiver
US3386081A (en)	1968-05-28	Pulse sampling and comparison system suitable for use with p. p. m. signals
US4484354A (en)	1984-11-20	Continuous tone decoder/encoder
US3968441A (en)	1976-07-06	Receiver tuning circuit with automatic search and AFC using common capacitor
US3560858A (en)	1971-02-02	Automatic tuning type receiver with frequency holding circuit
US3603884A (en)	1971-09-07	Speech-noise discriminating constant pulse width squelch
US3747108A (en)	1973-07-17	Remote control system
IL45783A (en)	1976-10-31	Switchable frequency tone detector
US3564419A (en)	1971-02-16	Pulse counting squelch circuit
US4358737A (en)	1982-11-09	Digitally controlled bandwidth sampling filter-detector
US4194087A (en)	1980-03-18	Control circuit and FM stereo receiver using same
US4140928A (en)	1979-02-20	Monostable multivibrator
US3801914A (en)	1974-04-02	Priority-frequency system for a signal-seeking receiver
US3623106A (en)	1971-11-23	Multifrequency receiver employing tone-coded squelch with automatic channel selection
US3761822A (en)	1973-09-25	Multiple receiver selection system
US3140445A (en)	1964-07-07	Communication receiver with noise blanking