GB334861A - Improvements in and relating to wireless receiving apparatus - Google Patents

Improvements in and relating to wireless receiving apparatus

Info

Publication number
GB334861A
GB334861A GB1755529A GB1755529A GB334861A GB 334861 A GB334861 A GB 334861A GB 1755529 A GB1755529 A GB 1755529A GB 1755529 A GB1755529 A GB 1755529A GB 334861 A GB334861 A GB 334861A
Authority
GB
United Kingdom
Prior art keywords
valves
plate
wireless receiving
receiving apparatus
cottonwool
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
GB1755529A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1755529A priority Critical patent/GB334861A/en
Publication of GB334861A publication Critical patent/GB334861A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/08—Constructional details, e.g. cabinet

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

334,861. Sylvester, H. June 7, 1929. Vacuum tubes.-In wireless receiving apparatus employing thermionic valves which are sunk in a well or the like in the apparatus, such as in portable receivers of the suit-case type, a plate a, Fig. 2, is arranged above the valves c so as to close completely the wall or the like, and the underside of the plate is provided with recesses a<1>, which may be lined with cottonwool , spongy rubber &c., engaging the tops of the valves. Fig. 3 shows a modified form in which cup-shaped members e are secured to the plate a and fit over the valves c, light springs g and cottonwool f being interposed; or springs may be used without. the members e.
GB1755529A 1929-06-07 1929-06-07 Improvements in and relating to wireless receiving apparatus Expired GB334861A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1755529A GB334861A (en) 1929-06-07 1929-06-07 Improvements in and relating to wireless receiving apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1755529A GB334861A (en) 1929-06-07 1929-06-07 Improvements in and relating to wireless receiving apparatus

Publications (1)

Publication Number Publication Date
GB334861A true GB334861A (en) 1930-09-08

Family

ID=10097220

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1755529A Expired GB334861A (en) 1929-06-07 1929-06-07 Improvements in and relating to wireless receiving apparatus

Country Status (1)

Country Link
GB (1) GB334861A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2497963A (en) * 1947-01-02 1950-02-21 Teletone Radio Corp Attachment for radio sets

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2497963A (en) * 1947-01-02 1950-02-21 Teletone Radio Corp Attachment for radio sets

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