GB468635A - Improvements in portable wireless signalling apparatus - Google Patents

Improvements in portable wireless signalling apparatus

Info

Publication number
GB468635A
GB468635A GB702/36A GB70236A GB468635A GB 468635 A GB468635 A GB 468635A GB 702/36 A GB702/36 A GB 702/36A GB 70236 A GB70236 A GB 70236A GB 468635 A GB468635 A GB 468635A
Authority
GB
United Kingdom
Prior art keywords
reflector
triggers
jan
casing
operator
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
GB702/36A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Julius Pintsch AG
Original Assignee
Julius Pintsch AG
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 Julius Pintsch AG filed Critical Julius Pintsch AG
Publication of GB468635A publication Critical patent/GB468635A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/26—Supports; Mounting means by structural association with other equipment or articles with electric discharge tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave

Landscapes

  • Selective Calling Equipment (AREA)
  • Transmitters (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
GB702/36A 1935-01-08 1936-01-08 Improvements in portable wireless signalling apparatus Expired GB468635A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE468635X 1935-01-08

Publications (1)

Publication Number Publication Date
GB468635A true GB468635A (en) 1937-07-08

Family

ID=6540886

Family Applications (1)

Application Number Title Priority Date Filing Date
GB702/36A Expired GB468635A (en) 1935-01-08 1936-01-08 Improvements in portable wireless signalling apparatus

Country Status (4)

Country Link
US (1) US2101785A (me)
FR (1) FR800427A (me)
GB (1) GB468635A (me)
NL (1) NL44197C (me)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149624A (en) * 1983-11-07 1985-06-12 Vickers Plc Apparatus for testing electromagnetic radiation responsive devices

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2520008A (en) * 1940-04-05 1950-08-22 Bell Telephone Labor Inc Radio marker system
US2737356A (en) * 1941-07-08 1956-03-06 Sperry Rand Corp Radio controlled projectiles
US2475641A (en) * 1946-10-29 1949-07-12 John Archer Carter Prompting system
US2647989A (en) * 1950-07-17 1953-08-04 Earl D Hilburn Flexible repeater
US2827629A (en) * 1954-04-08 1958-03-18 Raytheon Mfg Co Antenna supporting structure and method of assembly
DE1098554B (de) * 1957-09-28 1961-02-02 Joachim Skibowski Richtfunkverbindungsvorrichtung fuer Hoechstfrequenzen
US3277303A (en) * 1966-02-01 1966-10-04 Gen Dynamics Corp Combined binocular and optical communication device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149624A (en) * 1983-11-07 1985-06-12 Vickers Plc Apparatus for testing electromagnetic radiation responsive devices

Also Published As

Publication number Publication date
FR800427A (fr) 1936-07-04
US2101785A (en) 1937-12-07
NL44197C (me)

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