JPS50147811A - - Google Patents

Info

Publication number
JPS50147811A
JPS50147811A JP49056030A JP5603074A JPS50147811A JP S50147811 A JPS50147811 A JP S50147811A JP 49056030 A JP49056030 A JP 49056030A JP 5603074 A JP5603074 A JP 5603074A JP S50147811 A JPS50147811 A JP S50147811A
Authority
JP
Japan
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.)
Granted
Application number
JP49056030A
Other languages
Japanese (ja)
Other versions
JPS551737B2 (2
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 filed Critical
Priority to JP5603074A priority Critical patent/JPS551737B2/ja
Priority to US05/573,154 priority patent/US4024477A/en
Publication of JPS50147811A publication Critical patent/JPS50147811A/ja
Publication of JPS551737B2 publication Critical patent/JPS551737B2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/02—Indicating arrangements
    • H03J1/04—Indicating arrangements with optical indicating means
    • H03J1/045—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like
    • H03J1/047—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like using electronic means, e.g. LED's
    • H03J1/048—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like using electronic means, e.g. LED's with digital indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
    • 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
    • H04B1/26—Circuits for superheterodyne receivers
    • H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Circuits Of Receivers In General (AREA)
JP5603074A 1974-05-17 1974-05-17 Expired JPS551737B2 (2)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP5603074A JPS551737B2 (2) 1974-05-17 1974-05-17
US05/573,154 US4024477A (en) 1974-05-17 1975-04-30 Received signal frequency indicating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5603074A JPS551737B2 (2) 1974-05-17 1974-05-17

Publications (2)

Publication Number Publication Date
JPS50147811A true JPS50147811A (2) 1975-11-27
JPS551737B2 JPS551737B2 (2) 1980-01-16

Family

ID=13015659

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5603074A Expired JPS551737B2 (2) 1974-05-17 1974-05-17

Country Status (2)

Country Link
US (1) US4024477A (2)
JP (1) JPS551737B2 (2)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095182A (en) * 1975-10-08 1978-06-13 Cybernet Electronic Corporation Display device for transceiver and like
US4142177A (en) * 1976-08-12 1979-02-27 Motorola, Inc. Digital tone decoder system
JPS5384409A (en) * 1976-12-29 1978-07-25 Fujitsu Ten Ltd Indicator
US4287600A (en) * 1978-03-03 1981-09-01 Motorola, Inc. Frequency synthesizer with ROM controlled divider and display
US4247950A (en) * 1978-03-13 1981-01-27 Sanyo Electric Co., Ltd. Display for frequency received by radio receiver
US4225972A (en) * 1978-05-30 1980-09-30 Nippon Gakki Seizo Kabushiki Kaisha System for indicating frequency of station signal received by superheterodyne radio receiver
JPS553238A (en) * 1978-06-22 1980-01-11 Nippon Gakki Seizo Kk Reception frequency display system
US5226742A (en) * 1991-04-23 1993-07-13 Hewlett-Packard Company Electrically powered paper stacking apparatus and method for impact printers and the like

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4892806U (2) * 1972-02-10 1973-11-07
JPS4892805U (2) * 1972-02-10 1973-11-07

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3753119A (en) * 1971-04-07 1973-08-14 Magnavox Co Digital tuning indicator
US3681707A (en) * 1971-04-27 1972-08-01 Autech Corp Digital adf tuning indicator
US3911253A (en) * 1972-01-19 1975-10-07 David N Torresdal Digital counting method and apparatus
DE2217210C3 (de) * 1972-04-10 1978-10-12 Siemens Ag, 1000 Berlin Und 8000 Muenchen Überlagerungsempfänger mit digitaler Anzeige der Empfangsfrequenz
US3851242A (en) * 1972-06-27 1974-11-26 J Ellis Frequency-modulated eddy-current proximity gage

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4892806U (2) * 1972-02-10 1973-11-07
JPS4892805U (2) * 1972-02-10 1973-11-07

Also Published As

Publication number Publication date
JPS551737B2 (2) 1980-01-16
US4024477A (en) 1977-05-17

Similar Documents

Publication Publication Date Title
DK14775A (2)
JPS551737B2 (2)
FI369174A7 (2)
DE2409403C3 (2)
DK89475A (2)
DK115875A (2)
CS172141B1 (2)
CS168714B1 (2)
CS167177B1 (2)
CS174538B1 (2)
CS172764B1 (2)
DK113075A (2)
CS172776B1 (2)
CS176560B1 (2)
CS162419B1 (2)
DD117545A5 (2)
CH614737A5 (2)
DD117402A1 (2)
CH592340A5 (2)
CH578271A5 (2)
DD122481A5 (2)
CH606860A5 (2)
CH604925A5 (2)
BG27062A1 (2)
CH605130A5 (2)