Communications: electrical – Continuously variable indicating – Via radiant energy beam
Patent
1996-07-25
2000-08-15
Horabik, Michael
Communications: electrical
Continuously variable indicating
Via radiant energy beam
34082016, 34082572, 455 69, G08C 1700
Patent
active
061043125
DESCRIPTION:
BRIEF SUMMARY
PRIOR ART
The invention relates to a device for adjusting parameters and/or operating conditions in electrical shop apparatuses, in particular for the transmitting frequency adjustment in transmitting modules, designed to transmit measured values.
The use of such devices, which are known for example from DE-OS 35 38 687 or DE-OS 41 31 341, makes sense whenever measured values must be transmitted from a mobile object, for example, a vehicle, to an evaluating station, e.g., a diagnostic unit. One preferred use is for the motor vehicle diagnosis, where the most varied measured values for real-time transmission of measured values are transmitted via a high-frequency radio link. For a brake-pressure measuring system, for example, different pressures must be recorded at various points of the brake system and transmitted for evaluation.
These devices, which are designed as transmitting modules, frequently must be tuned to various radio channels, not least also depending on the local conditions and the respective electromagnetic radiation in existence there. DIP switches, for example, are known to be used for this. However, because of their installation at the vehicle, the transmitting modules are subjected to heavy wear resulting from, among other things, dirty water, so that a careful sealing of the module housing is necessary. This contrasts with the contrary requirement of easy accessibility to the DIP switch.
This is also a requirement for other shop apparatuses, for example, self-diagnostic equipment and exhaust gas testing equipment, meaning the requirement of sealing the apparatus as hermetically as possible against dirt and spraying water, so that switches for adjusting the parameter or operating conditions are avoided, if possible, or must be installed with enough protection so that easy accessibility is no longer possible. In addition to the adjustment of transmitting frequencies, such adjustments concern, for example, also the adjustment of measuring ranges, the switching between the various measured value recordings, the switching between operating conditions (e.g. on/off) and things of that kind.
SUMMARY AND ADVANTAGES OF THE INVENTION
The above mentioned drawbacks according to the known arrangements generally are overcome according to a first aspect of the present invention by a device for the adjustment of parameters and/or operating conditions in an electric shop apparatus, in particular for this adjustment of transmitting frequencies in transmitting modules for the transmission of measured values, wherein the device comprises a control unit which emits electric switching signals for adjusting the respective parameters and/or operating conditions, and the shop apparatus has an infrared receiver for receiving adjustment signals from an infrared transmitter.
The above mentioned drawbacks according to the known arrangements generally are overcome according to a further aspect of the present invention by a device for the adjustment of parameters and/or operating conditions in an electric shop apparatus, in particular for the adjustment of transmitting frequencies in transmitting modules for the transmission of measured values, wherein the shop apparatus has a power supply incorporating a chargeable storage battery, the battery is capable of being charged via a charger device and a separate charger, the adjustment device further comprises a control unit for the electrical switching signals for the adjustment of the respective parameters and/or operating conditions, and a charger device and charger for additionally transmitting adjustment signals from an adjustment unit.
In contrast to the known devices, the advantage of the device according to the invention, as described above, is that all or most of the switches can be dispensed with and that the necessary adjustments of the parameters and/or operating conditions cain be made without touching, via infrared radiation or via the already required charging equipment for charging a storage battery, installed as part of the shop apparatus. As a result,
Anlauf Juergen
Roth Rolf
Horabik Michael
Kunitz Norman N.
Robert & Bosch GmbH
Spencer George H.
Wong Albert K.
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