Selective call receiver having audible and tactile alerts

Details Selective call receiver having audible and tactile alerts Selective call receiver having audible and tactile alerts

1990-04-26

1992-12-15

Crosland, Donnie L.

Communications: electrical

Systems

Nonselective paging

34082544, 34082546, 340407, H04Q 130, G08B 522

Patent

active

051720922

ABSTRACT:
A selective call receiver includes a vibrator (206) for generating alerts. The vibrator (206) includes a housing (402), a flexible member (2) within the housing (402) and coupled thereto, and a moving member (404) coupled to the flexible member (2) for movement about an equilibrium position, the moving member (404) including a permanent magnet (410). An actuator includes an electromagnet (412) for causing the permanent magnet (410) and the moving member (404) to move at a first frequency for generating an audible alert and at a second frequency for generating a sub-audible or tactile alert. The movement at the second frequency is substantially transferred to the housing (402) for generating the sub-audible or tactile alert.

REFERENCES:
patent: 4378551 (1983-03-01), Drapac
patent: 4385295 (1983-05-01), Willard et al.
patent: 4731603 (1988-03-01), McRae et al.
patent: 4786889 (1988-11-01), Hayasaka
patent: 4823110 (1989-04-01), Dorward et al.
patent: 4851836 (1989-07-01), Wilkinson et al.
patent: 4918438 (1990-04-01), Yamasaki
patent: 4931765 (1990-06-01), Rollins et al.
Motorola Service Manual 68P81047C75-A, "`Bravo` Series, Numeric Display Pagers, 138-174 MHz", .COPYRGT. 1986, p. 15.
Motorola Service Manual 68P81046C35-A, "`Bravo` Series, Binary GSC Radio Pagers, Tone and Silent Alert, 406-420 MHz, 450-512 MHz", .COPYRGT. 1988, p. 11.
Motorola Service Manual 68P81006B85-C "`Bravo` Series, Numeric Display Pagers, A05JRB/C Models, 929-932 MHz", .COPYRGT. 1989, p. 15.

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