GB201521609D0 - A voice muffler - Google Patents

A voice muffler

Info

Publication number
GB201521609D0
GB201521609D0 GBGB1521609.6A GB201521609A GB201521609D0 GB 201521609 D0 GB201521609 D0 GB 201521609D0 GB 201521609 A GB201521609 A GB 201521609A GB 201521609 D0 GB201521609 D0 GB 201521609D0
Authority
GB
United Kingdom
Prior art keywords
muffler
voice
voice muffler
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.)
Withdrawn
Application number
GBGB1521609.6A
Other versions
GB2545200A (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.)
TREVOR NIGEL
Original Assignee
TREVOR NIGEL
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 TREVOR NIGEL filed Critical TREVOR NIGEL
Priority to GB1521609.6A priority Critical patent/GB2545200A/en
Publication of GB201521609D0 publication Critical patent/GB201521609D0/en
Publication of GB2545200A publication Critical patent/GB2545200A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/19—Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
GB1521609.6A 2015-12-08 2015-12-08 A voice muffler Withdrawn GB2545200A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1521609.6A GB2545200A (en) 2015-12-08 2015-12-08 A voice muffler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1521609.6A GB2545200A (en) 2015-12-08 2015-12-08 A voice muffler

Publications (2)

Publication Number Publication Date
GB201521609D0 true GB201521609D0 (en) 2016-01-20
GB2545200A GB2545200A (en) 2017-06-14

Family

ID=55234571

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1521609.6A Withdrawn GB2545200A (en) 2015-12-08 2015-12-08 A voice muffler

Country Status (1)

Country Link
GB (1) GB2545200A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108836630B (en) * 2018-06-28 2020-07-14 广东工业大学 Noise-proof earplug with silencing structure

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000349882A (en) * 1999-06-07 2000-12-15 Yoichi Tanabe Leaked sound prevention device for portable phone
JP2001053846A (en) * 1999-08-11 2001-02-23 Yoshimasa Onishi Accessory for portable telephone conversation and portable telephone set
JP2005197846A (en) * 2003-12-29 2005-07-21 Masuko:Kk Voice leakage preventing device for cellular phone
US7532719B2 (en) * 2005-03-22 2009-05-12 Robert M Snodgrass Voice absorber for portable telephonic devices
WO2010101563A1 (en) * 2009-03-02 2010-09-10 Turkewitz Robert M Privacy case for telephones
US20110136535A1 (en) * 2009-12-04 2011-06-09 Alcatel-Lucent Usa Inc. Appartus for Communication Privacy and Fidelity

Also Published As

Publication number Publication date
GB2545200A (en) 2017-06-14

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)