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Inventor: Hirsch; Steven B.
Address: Beverly Hills, CA
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4644326 |
Unitary key panel |
February 17, 1987 |
| An environmentally protected keyboard display and input device is provided which may be utilized in conjunction with a variety of digital control systems such as automated bank tellers or building security systems. The keyboard display and input device includes a unitary, transparent fle |
| 4479112 |
Secure input system |
October 23, 1984 |
| A secure keyboard input terminal is disclosed in which a secret user identification code number or other confidential data sequence formed from a set of alpha-numeric characters (for example, the ten numerical digits 0 through 9) may be input secretly by a user, the terminal itself compr |
| 4333090 |
Secure keyboard input terminal |
June 1, 1982 |
| A secure keyboard input terminal is disclosed in which a secret user identification code number or other confidential data sequence formed from a set of alpha-numeric characters (for example, the ten numerical digits 0 through 9) may be input secretly by a user, the terminal itself compr |
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