GB1246551A - Alarm wrist-watch - Google Patents

Alarm wrist-watch

Info

Publication number
GB1246551A
GB1246551A GB3064169A GB3064169A GB1246551A GB 1246551 A GB1246551 A GB 1246551A GB 3064169 A GB3064169 A GB 3064169A GB 3064169 A GB3064169 A GB 3064169A GB 1246551 A GB1246551 A GB 1246551A
Authority
GB
United Kingdom
Prior art keywords
coils
membrane
watch
sound
june
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
GB3064169A
Inventor
Paolo Spadini
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
Priority claimed from CH896968A external-priority patent/CH537033A/en
Application filed by Individual filed Critical Individual
Publication of GB1246551A publication Critical patent/GB1246551A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
    • G04C21/20—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/02—Constructional details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)

Abstract

1,246,551. Diaphragm vibrators. P. SPADINI. 17 June, 1969 [17 June, 1968 (2)], No. 30641/69. Heading G5J. [Also in Division G3] An alarm buzzer in a wrist watch (see Division G3) comprises a spring blade 111 electromagnetically vibrated so that a projection 113 thereon strikes a conical sound producing membrane 114. The blade 111 is secured at its ends to a frame 109 and has fixed thereto an armature 112 disposed adjacent a ferromagnetic core 98 secured to a ferromagnetic plate 97 on which are two permanent magnets 99 (Fig. 4, not shown) having therebetween two coils 103, 104 surrounding the core 98. Oscillatory currents in the coils 103, 104 cause the spring blade 111 to vibrate and sound the alarm. The coils 103, 104 are arranged in a transistor oscillator circuit. The membrane 114 is carried by a ring 115 which is screwed into the watch case into a position wherein a desired sound is produced by the engagement of the projection 113 with the membrane 114. A perforated cover-plate 118 locks the ring 115 in its adjusted position.
GB3064169A 1968-06-17 1969-06-17 Alarm wrist-watch Expired GB1246551A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH896868 1968-06-17
CH896968A CH537033A (en) 1966-02-17 1968-06-17 Wristwatch-alarm clock

Publications (1)

Publication Number Publication Date
GB1246551A true GB1246551A (en) 1971-09-15

Family

ID=25704052

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3064169A Expired GB1246551A (en) 1968-06-17 1969-06-17 Alarm wrist-watch

Country Status (2)

Country Link
DE (1) DE1929886B2 (en)
GB (1) GB1246551A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107340709A (en) * 2017-08-24 2017-11-10 歌尔科技有限公司 A kind of Intelligent worn device with physiology monitoring function
CN113050401A (en) * 2019-12-11 2021-06-29 斯沃奇集团研究和开发有限公司 Holding and vibration transmission device for acoustic radiating membrane in watch case

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114995091A (en) * 2020-12-28 2022-09-02 深圳穿金戴银科技股份有限公司 Watch without watch hand structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107340709A (en) * 2017-08-24 2017-11-10 歌尔科技有限公司 A kind of Intelligent worn device with physiology monitoring function
CN107340709B (en) * 2017-08-24 2023-03-24 歌尔科技有限公司 Intelligent wearable device with physiological monitoring function
CN113050401A (en) * 2019-12-11 2021-06-29 斯沃奇集团研究和开发有限公司 Holding and vibration transmission device for acoustic radiating membrane in watch case

Also Published As

Publication number Publication date
DE1929886B2 (en) 1973-04-26
DE1929886A1 (en) 1969-12-18

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees