Browse Prior Art Database

WATCH PAGER WITH FLEX CIRCUIT BAND

IP.com Disclosure Number: IPCOM000006007D
Original Publication Date: 1990-Oct-01
Included in the Prior Art Database: 2001-Nov-26
Document File: 1 page(s) / 52K

Publishing Venue

Motorola

Related People

Stefan Peana: AUTHOR [+3]

Abstract

Watches available on the market today contain new functions beside the classic time keeping. Some of the new functions are part of, or are an extension of the watch circuit such as; alarm, chronograph, calendar, etc. Others require a separate circuit, such as; speakers, memory minder, pager, etc. The addition of the electronic circuit(s) makes the watch larger and/or thicker than what is conventionally acceptable. Incorporating these electronic circuits or a portion thereof into the band will provide a higher level of component integration and minimize size while still preserving the required functions. Therefore, the proposed packaging approach results in added functional capability while preserving the acceptable size/volume.

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m MOlWROLA Technical Developments Volume 11 October 1990

WATCH PAGER WITH FLEX CIRCUIT BAND

by Stefan Peana, Jerry Pine and Daniel Peana

   Watches available on the market today contain new functions beside the classic time keeping. Some of the new functions are part of, or are an extension of the watch circuit such as; alarm, chronograph, calendar, etc. Others require a separate circuit, such as; speakers, memory minder, pager, etc. The addition of the electronic circuit(s) makes the watch larger and/or thicker than what is conventionally acceptable. Incorporating these electronic circuits or a portion thereof into the band will provide a higher level of component integration and minimize size while still preserving the required functions. Therefore, the proposed packaging approach results in added functional capability while preserving the acceptable size/volume.

   In case of a pager, the decoder, receiver, display driver or portions of them can be integrated into the band, then connected to the watch through permanent or removable interconnects. The watch itself will then contain only the bat- tery, ferrite antenna, LCD, analog watch, etc. This will result in an efficient mechanical package, and an appealing look- ing watch pager.

   The electronic circuit added into the band wnsists of low profile IC's, and small size discrete components soldered to a dynamic flex circuit. Regions of bending are provided on the flex with stiffeners between these regions for compo- ne...