GB1265331A - - Google Patents

Info

Publication number
GB1265331A
GB1265331A GB1265331DA GB1265331A GB 1265331 A GB1265331 A GB 1265331A GB 1265331D A GB1265331D A GB 1265331DA GB 1265331 A GB1265331 A GB 1265331A
Authority
GB
United Kingdom
Prior art keywords
airport
photo
cells
tape
primary
Prior art date
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.)
Expired
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.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1265331A publication Critical patent/GB1265331A/en
Expired legal-status Critical Current

Links

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
    • H03J5/02—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)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Optical Communication System (AREA)
  • Audible And Visible Signals (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Push-Button Switches (AREA)
GB1265331D 1968-03-07 1969-02-07 Expired GB1265331A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE3051/68A SE322277B (enrdf_load_html_response) 1968-03-07 1968-03-07

Publications (1)

Publication Number Publication Date
GB1265331A true GB1265331A (enrdf_load_html_response) 1972-03-01

Family

ID=20261301

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1265331D Expired GB1265331A (enrdf_load_html_response) 1968-03-07 1969-02-07

Country Status (7)

Country Link
JP (1) JPS499829B1 (enrdf_load_html_response)
AT (1) AT293516B (enrdf_load_html_response)
DE (1) DE1909977A1 (enrdf_load_html_response)
FR (1) FR2003371A1 (enrdf_load_html_response)
GB (1) GB1265331A (enrdf_load_html_response)
NO (1) NO125123B (enrdf_load_html_response)
SE (1) SE322277B (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2211041A (en) * 1987-10-09 1989-06-21 Japan Radio Co Ltd Airborne receiver in microwave landing system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7607257A (nl) * 1976-07-01 1978-01-03 Philips Nv Televisie-ontvanger met een frequentiesynthese- -afstemschakeling.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2211041A (en) * 1987-10-09 1989-06-21 Japan Radio Co Ltd Airborne receiver in microwave landing system
GB2211041B (en) * 1987-10-09 1992-01-29 Japan Radio Co Ltd Airborne receiver in microwave landing system with channel selection means by manual input of familiar abbreviations of airports

Also Published As

Publication number Publication date
NO125123B (enrdf_load_html_response) 1972-07-17
JPS499829B1 (enrdf_load_html_response) 1974-03-06
AT293516B (de) 1971-10-11
FR2003371A1 (enrdf_load_html_response) 1969-11-07
SE322277B (enrdf_load_html_response) 1970-04-06
DE1909977A1 (de) 1969-11-27

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee