Selective call receiver

A selective call receiver has a main body a protective cover. The main body has a display portion and a plurality of keys at a main surface thereof and the cover is rotatably connected with the main body to cover at least the main surface of the main body. The keys of the main body includes a predetermined key protruding from the main surface. At a position corresponding to the predetermined key, the cover has a hole which is larger than a cross section of the predetermined key.

Selective call receiver having a cover with a hole for a key to protrude therethrough

The cover is made from a plastic material which covers most of the digits on the telephone keypad. The telephone is designed to hold the cover in place and accomodate a locking unit whilst the cover incorporates a lock to secure it to the telephone. The cover includes an opening(s) to allow the user access to those digits required to dial the emergency services.

A cover for preventing unauthorised use of a telephone

The telephone lock is a disabling removable key lock, that is part of a telephone figure 1; the telephone been adapted with the lock 1, which disables all the telephones dial buttons 5, apart from the dial buttons, numbered 9 and 1 By turning the key 6 figure 2, from position 3 to 4, and then removing it, the telephone is only capable of out going calls to the emergency services

Dial button disabling key lock for a telephone

This invention relates to a security device for limiting, or preventing, access to the keys of a push-botton telephone In a preferred embodiment, the device comprises a cover (3) and base member (4) which can be locked about a telephone (2) Cover (3) prevents access to the numerical keys but an aperture (13) in the cover allows access to preset keys

Graeme John Palmer

Papers

Telephone security device