Invention Application
- Patent Title: METHOD AND DEVICE FOR DISABLING CELLULAR PHONES
- Patent Title (中): 用于消除细胞声的方法和装置
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Application No.: PCT/IL9800049Application Date: 1998-02-02
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Publication No.: WO9834412A3Publication Date: 1998-12-10
- Inventor: GEYRA YOAV
- Applicant: YOAV GEYRA CONSULTING LTD , GEYRA YOAV
- Assignee: YOAV GEYRA CONSULTING LTD,GEYRA YOAV
- Current Assignee: YOAV GEYRA CONSULTING LTD,GEYRA YOAV
- Priority: IL12013497 1997-02-03
- Main IPC: H04K3/00
- IPC: H04K3/00 ; H04W48/04 ; H04Q
Abstract:
A method of disabling the use of a cellular phone (2 or 3) within a confined area in a cell site, comprising transmitting within the confined area a jamming signal continuously varying in frequency to cover the service band for the respective cell site and of a power level to have a range sufficiently only for the respective confined area.
Information query
