IT1011951B - Radioricevitore o ricevitore tele visivo con sintonizzazione a pre selezione - Google Patents

Radioricevitore o ricevitore tele visivo con sintonizzazione a pre selezione

Info

Publication number
IT1011951B
IT1011951B IT68838/74A IT6883874A IT1011951B IT 1011951 B IT1011951 B IT 1011951B IT 68838/74 A IT68838/74 A IT 68838/74A IT 6883874 A IT6883874 A IT 6883874A IT 1011951 B IT1011951 B IT 1011951B
Authority
IT
Italy
Prior art keywords
receiver
radior
tele
visual
selection tuning
Prior art date
Application number
IT68838/74A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT1011951B publication Critical patent/IT1011951B/it

Links

Classifications

    • 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
    • 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
    • H03J5/02—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 variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0254—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
IT68838/74A 1973-06-14 1974-06-11 Radioricevitore o ricevitore tele visivo con sintonizzazione a pre selezione IT1011951B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7308241A NL7308241A (enExample) 1973-06-14 1973-06-14

Publications (1)

Publication Number Publication Date
IT1011951B true IT1011951B (it) 1977-02-10

Family

ID=19819076

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68838/74A IT1011951B (it) 1973-06-14 1974-06-11 Radioricevitore o ricevitore tele visivo con sintonizzazione a pre selezione

Country Status (12)

Country Link
US (1) US3913041A (enExample)
JP (1) JPS547522B2 (enExample)
AR (1) AR201149A1 (enExample)
BR (1) BR7404787D0 (enExample)
CA (1) CA1006278A (enExample)
DE (1) DE2426475C3 (enExample)
ES (1) ES427205A1 (enExample)
FR (1) FR2233753B1 (enExample)
GB (1) GB1431420A (enExample)
IT (1) IT1011951B (enExample)
NL (1) NL7308241A (enExample)
SE (1) SE388985B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52128436A (en) * 1976-04-15 1977-10-27 Nippon Selen Co Ltd Yarn wrong part inspective apparatus
US6618581B1 (en) 1999-04-28 2003-09-09 David F. Turner Radio with pre-selected locked channels for children

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2784369A (en) * 1953-12-15 1957-03-05 Hartford Nat Bank & Trust Co Voltage divider
US3138754A (en) * 1958-06-09 1964-06-23 Howe Richardson Scale Co Printed circuit formula card systems and their components
US3586805A (en) * 1967-10-11 1971-06-22 Clarence B Ziegler Jr Multiple cam limit switch actuator
US3593152A (en) * 1968-02-16 1971-07-13 Alps Electric Co Ltd Pushbutton tuner and indicating device therefor
US3699496A (en) * 1968-03-25 1972-10-17 Us Army Switching matrix

Also Published As

Publication number Publication date
AR201149A1 (es) 1975-02-14
GB1431420A (en) 1976-04-07
SE388985B (sv) 1976-10-18
DE2426475B2 (de) 1979-09-13
NL7308241A (enExample) 1974-12-17
CA1006278A (en) 1977-03-01
DE2426475A1 (de) 1975-01-09
US3913041A (en) 1975-10-14
FR2233753A1 (enExample) 1975-01-10
ES427205A1 (es) 1976-07-16
AU6998174A (en) 1975-12-11
JPS5037302A (enExample) 1975-04-08
JPS547522B2 (enExample) 1979-04-07
DE2426475C3 (de) 1980-05-29
SE7407651L (enExample) 1974-12-16
BR7404787D0 (pt) 1975-01-21
FR2233753B1 (enExample) 1984-04-06

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