Month of November 2001 - Page Number 4

Showing 31 - 40 of 290 from November 2001
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  1. 31.
    The Horizontal 3 Finger gripper provides a means to grasp many different shaped radio components and to manipulate them effectively in multiple planes. This has become necessary due to variations in packaging methods~of components and methods of testing within the robot envelope.
    IPCOM000006042D | Original Publication Date: 1991-Apr-01
  2. 32.
    In a dispatch environment, a communications console operator will typically have access to a number of telephone lines which are capable of ringing at the console position. In periods of high call activity, it is not unusual to have more than one phone line ringing at any given time. This presents a problem for the...
    IPCOM000006041D | Original Publication Date: 1991-Apr-01
  3. 33.
    This invention relates to an active battery pack for use with two way radios. State-of-the-art battery operated radios use linear voltage regulators to generate a regulated voltage from the battery voltage. This type of regulator wastes about 30% of the battery power (l-5/7.5) in generating a regulated 5 volt supply...
    IPCOM000006040D | Original Publication Date: 1991-Apr-01
  4. 34.
    This publication describes a method for tracking and locating individuals within a facility and displaying their location on a suitable display console at a main control location. The display preferably consists of either a numerical display in which the user ID and location ID are displayed with a desk console or on...
    IPCOM000006039D | Original Publication Date: 1991-Apr-01
  5. 35.
    Virtually all Law Enforcement Officers carry two way radios. These radios have high capacity batteries and whip antennas. The radios are used to, among other things, indicate that an emergency situation is at hand. At times, in the performance of their duties, an emergency situation may arise where police officers may...
    IPCOM000006038D | Original Publication Date: 1991-Apr-01
  6. 36.
    A removable belt clip, shown in FIG. 1 used on a paging device but which may be used with other units clipped to a belt, allows the clip to be attached to the paging unit easily. The belt clip is designed for simple construction having only three separate elements. The three elements include a clip 10, a leaf spring...
    IPCOM000006037D | Original Publication Date: 1991-Apr-01
  7. 37.
    The RFPA is the next generation Power Amplifier for the Motorola GSM Base Station Infrastructure. The following design of Transistor Clamp solves a number of initial problems during development, namely: -to produce mechanical support for a printed circuit board at right angles to the mounting face; - to transfer the...
    IPCOM000006036D | Original Publication Date: 1990-Oct-01
  8. 38.
    A multilayer double sided metallized tape is used to place a Flip Chip device on one side and active or passive components on the other side for applications requiring high interconnect density substrates. The circuit provides near zero IC height profile and increases the use of automatic assembly operations.
    IPCOM000006032D | Original Publication Date: 1990-Oct-01
  9. 39.
    Pagers and other portable electronic devices using LCDs as displays generally use a lens in front of and spaced from the LCD. Because of the spacing, there is a problem with dust and moisture entering between the LCD and the lens, which dust and moisture can greatly impair the clarity and efficiency of the unit.
    IPCOM000006031D | Original Publication Date: 1990-Oct-01
  10. 40.
    In apparatus utilizing two piece housings, especially portable electronic devices like pagers, it is often necessary to lock the front and back housings together after assembly. In the past this was accomplished by providing a boss as a part of a complicated bracket that is mounted in one of the housing pieces. A...
    IPCOM000006030D | Original Publication Date: 1990-Oct-01