Push button assembly

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The Inventio Ag patent solves the following problem:

The invention relates to an electronic push button or push button assembly for use as a call or signal generator, especially in the elevator control, for installation, with rear face greeting, a service station or sign board on the floor and the elevator car with a push button guide, carrier plate, means for optical acceptance or recognition, and an electronic part.

Our analysis of this patent is as follows:

Inventio Ag’s patent US 5477942 A deals with Push button assembly.
An electronic push button assembly, which is used as a call and signal generator control elevator and installation, through the back face greeting, a service station or a sign board on the floor and stops the elevator vehicles, comprising guiding a push button, a carrier plate, an optical recognition device and an electronic part, where the mechanical part of the push button assembly includes a plunger element, guided and limited movement through an illuminated ring plate, with an elastic pressure on the cap, the pressure activates a FSR pressure sensitive resistance when the push button activation assembly, with changes against the FSR, resulting from mechanical pressure, a potential change in a voltage divider which, by a factor / preamplifier, a switch transistor activate and instead move to a corresponding burden, a potential separation used in the load, through a contact, completing the receive circuit transfer, with the basic mechanical construction allow various differences relative to design and function.

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Methods for providing back bar and boss for slider

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The Unisys Corporation patent solves the following problem:

Fig. 5-8 schematically illustrate a "self-loading" slider assembly 20 constructed and modified according to the principles of its existence. This, and other relevant techniques and methods mentioned for all embodiments, usually understood as constructed and operating as known in the art, except where otherwise specified. And, except as otherwise specified, all materials, methods and devices, and equipment to be understood to be implemented by known expedients according to present good practice.

Our analysis of this patent is as follows:

Unisys Corporation’s patent US 5479306 A deals with Methods for providing back bar and boss for slider.
Important embodiments include magnetic recording sliders whose record-facing surface characterized by two or three obstacles which stiction forces counter-acted by the provisions of the "boss means" one or several obstacles, or therebetween; and also characterized by the provision of "back-bar approach" and had a clean channel means; and procedures for granting such are also described.

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