1460725966-8e3dec03-60be-480f-a81f-2d5de89790e6

The invention claimed is:

1. A coin mechanism for testing validity of a coin, comprising:
a back plate;
a coin wheel positioned to rotate adjacent and relative to the back plate, the coin wheel including a receptacle within which to receive the coin; and
at least one test arm integrally connected to the back plate and extending to a position over the coin wheel to contact the coin within the receptacle, the test arm resiliently moving in response to contacting a characteristic of the coin, the degree of movement of the test arm indicating validity with respect to the characteristic.
2. A coin mechanism as defined in claim 1, wherein:
the arm interacts with the coin wheel to prevent rotation of the coin wheel in at least one rotational direction until the test arm is moved to the degree indicating validity.
3. A coin mechanism as defined in claim 2, wherein:
the test arm permits rotation of the coin wheel in the rotational direction opposite of the one rotational direction whenever the test arm is moved to a degree other than the degree indicating validity.
4. A coin mechanism as defined in claim 1, wherein:
the test arm extends in a cantilever manner from the back plate.
5. A coin mechanism as defined in claim 4, wherein:
the back plate includes a generally planar portion; and
the test arm is defined by a slot within the generally planar portion which separates the test arm from the remaining generally planar portion.
6. A coin mechanism as defined in claim 4, wherein:
the movement of the test arm which indicates validity occurs in opposition to bias force resulting from deflecting the test arm relative to the remaining generally planar portion of the back plate.
7. A coin mechanism as defined in claim 6, wherein:
the test arm is substantially free of bias force resulting from deflection until the test arm is moved.
8. A coin mechanism as defined in claim 1, further comprising:
first and second ones of the test arms, the first test arm moving in response to a thickness characteristic of the coin, the second test arm moving in response to a hole characteristic of the coin.
9. A coin mechanism as defined in claim 8, further comprising:
a third test arm pivotally connected relative to the back plate and extending to contact the coin within the receptacle, the third test arm moving in response to a diameter characteristic of the coin contacted, the degree of movement of the third test arm indicating validity with respect to the diameter characteristic.
10. A coin mechanism as defined in claim 9, connected to rotate a dispenser apparatus and dispense product from the dispenser apparatus, further comprising:
an anti-rotational arm integrally connected to the back plate and extending to a position over the coin wheel to contact a structure of the coin wheel to prevent rotation the coin wheel and the connected dispenser apparatus in a rotational direction opposite of the rotational direction which resulted in the first and second test arms moving to the degree indicating validity.
11. A coin mechanism as defined in claim 10, further comprising:
a front plate positioned with respect to the back plate with the coin wheel rotationally positioned between the front and back plates; and
a handle extending through the front plate and connected to the coin wheel for rotating the coin wheel.
12. A coin mechanism as defined in claim 11, wherein:
each of the front plate, handle, coin wheel, back plate including the integrally connected first and second test and anti-rotation arms, and the third test arm are formed from plastic.
13. A coin mechanism as defined in claim 12, wherein:
the plastic is substantially of the acetal type.
14. A coin mechanism as defined in claim 13, wherein:
each of the front plate, handle, coin wheel, back plate including the integrally connected first and second test and anti-rotation arms, and the third test arm are molded plastic.
15. A coin mechanism as defined in claim 1, wherein:
the coin wheel includes first and second receptacles which receive first and second coins; and
the first and second receptacles are positioned at different rotational locations on the coin wheel.
16. A coin mechanism as defined in claim 1, wherein:
the coin wheel includes a common portion and an insert portion which are mechanically connected together; and
the receptacle for the coin is formed in the insert portion.
17. A method for testing validity of a coin, comprising:
positioning a coin in a receptacle of a coin wheel;
positioning a back plate stationarily relative to the coin wheel;
extending a test arm integrally connected to the back plate into contact the coin within the receptacle the coin wheel;
rotating the coin wheel in a first rotational direction with the coin in the receptacle;
moving the test arm in response to contacting the coin in the receptacle in the coin wheel as the coin wheel rotates; and
determining a validity characteristic of the coin by the degree of movement of the test arm.
18. A method as defined in claim 17, further comprising:
interacting the arm with the coin wheel to prevent further rotation of the coin wheel in the first rotational direction until the test arm is moved to the degree indicating validity.
19. A method as defined in claim 18, further comprising:
rotating the coin wheel in a second rotational direction opposite of the first rotational direction whenever the test arm is moved to a degree other than the degree indicating validity.
20. A method as defined in claim 17, further comprising:
extending the test arm in a cantilever manner into contact with the coin in the receptacle in the coin wheel.
21. A method as defined in claim 20, further comprising:
defining the test arm by a slot formed within a generally planar portion of the back plate.
22. A method as defined in claim 17, further comprising:
generating inherent bias force within the test arm from opposition to movement of the test arm when the test arm contacts the characteristic of the coin.
23. A method as defined in claim 22, further comprising:
maintaining the test arm substantially free of inherent bias force when the test arm is out of contact with the characteristic of the coin.
24. A method as defined in claim 17, further comprising:
extending a plurality of ones of the test arms into contact with thickness, diameter, and hole characteristics of the coin.
25. A method as defined in claim 24, further comprising:
rotating a dispenser apparatus in conjunction with the coin wheel;
dispensing product from the dispenser apparatus upon rotation in the first direction to a predetermined rotational position; and
extending an anti-rotational arm integrally connected to the back plate into contact with a structure of the coin wheel to prevent rotation of the dispenser apparatus in the second rotational direction after the thickness, diameter and hole characteristics of the coin have been tested as valid.
26. A method as defined in claim 17, further comprising:
positioning separate coins in each of first and second receptacles of the coin wheel.
27. A method as defined in claim 17, further comprising:
forming the coin wheel by connecting a common portion and an insert portion of the coin wheel together; and
inserting the coin in the receptacle formed in the insert portion.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A rotary actuator assembly adapted to access a rotatable data storage medium, the rotary actuator assembly comprising:
a plurality of arm plates, each of the plurality of arm plates having a bore and at least one of the plurality of arm plates having threads within the respective bore;
wherein the plurality of arm plates are adapted to be disassociated from each other;
wherein the plurality of arm plates are arranged such that the corresponding bores are substantially aligned;
a bearing assembly having a flange at a first end and a screw thread at a second end;
wherein the screw thread of the bearing assembly is adapted to engage the threads of the at least one arm plate; and
wherein the rotary actuator assembly is provided with sufficient rigidity when the bearing assembly is seated within the bore such that the data storage medium is accessible to the rotary actuator assembly.
2. The rotary actuator assembly of claim 1, wherein the flange of the bearing assembly has a wrenching flat.
3. The rotary actuator assembly of claim 1, wherein the bearing assembly is a bearing cartridge.
4. An actuator assembly adapted to perform an operation with a data storage medium, the actuator assembly including a bearing assembly and a plurality of arm plates having corresponding bores, the corresponding bores being substantially aligned to receive the bearing assembly, wherein the improvement comprises:
the bearing assembly includes a threaded base;
the plurality of arm plates are adapted to be disassociated from each other;
at least one of the plurality of arm plates includes a threaded bore; and
wherein the threaded base of the bearing assembly is adapted to engage the threads of the at least one arm plate; and
wherein the rotary actuator assembly is provided with sufficient rigidity when the bearing assembly is seated within the substantially aligned bores such that the data storage medium is accessible to the rotary actuator assembly.
5. A rotary actuator assembly adapted to access a rotatable data storage medium, the rotary actuator assembly comprising:
a plurality of arm plates, each of the plurality of arm plates having a bore and at least one of the plurality of arm plates having threads within the respective bore;
wherein the plurality of arm plates are adapted to be disassociated from each other;
wherein the plurality of arm plates are arranged such that the corresponding bores are substantially aligned;
a bearing assembly having a threaded base;
wherein the threaded base is adapted to engage the threads of the at least one arm plate; and
wherein the rotary actuator assembly is provided with sufficient rigidity to operate when the bearing assembly is seated within the substantially aligned bores.
6. The rotary actuator assembly of claim 5, wherein the bearing assembly includes a wrenching flat at an end distal from the threaded base.
7. The rotary actuator assembly of claim 5, wherein the bearing assembly is a bearing cartridge.
8. An actuator assembly adapted to perform an operation with a data storage medium, the actuator assembly including a bearing assembly having a threaded base and a plurality of arm plates having corresponding bores, the corresponding bores being substantially aligned to receive the bearing assembly, wherein the improvement comprises:
the plurality of arm plates are adapted to be disassociated from each other;
at least one of the plurality of arm plates includes a threaded bore; and
wherein the threaded base of the bearing assembly is adapted to engage the threads of the at least one arm plate; and
wherein the rotary actuator assembly is provided with sufficient rigidity to operate when the bearing assembly is seated within the substantially aligned bores.

1460725958-be23114f-58cf-4b44-a1cc-d732d7da078e

I claim:

1. A field-effect transistor, comprising:
a semiconductor substrate;
a source electrode and a drain electrode formed in said semiconductor substrate;
an inversion channel formed in said semiconductor substrate between said source electrode and said drain electrode, said inversion channel having a given energy interval for controlling a charge carrier density in said inversion channel;
a gate electrode disposed between said source electrode and said drain electrode and fabricated from a material having no energetically permitted state in a range of the given energy interval; and
an insulation layer separating said gate electrode from said inversion channel.
2. The field-effect transistor according to claim 1, wherein said gate electrode is formed from a material with a crystalline structure, and said material has a band gap in the given energy interval.
3. The field-effect transistor according to claim 2, wherein the band gap of said gate electrode comprises an energy level of a basic state of the charge carriers in said inversion channel between said source electrode and said drain electrode.
4. The field-effect transistor according to claim 1, wherein said gate electrode is formed of a material having a band gap in an electronic band structure in an energy range of up to 2 eV above the Fermi level.
5. The field-effect transistor according to claim 4, wherein said semiconductor substrate is a silicon semiconductor substrate, and said gate electrode is formed of 2HTaS2.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A high frequency surgical device for generating high frequency energy for separating andor coagulating of biological tissue, comprising at least one energy source and at least one output socket, into which a longitudinally extending electrically conductive plug contact of an electrosurgical instrument can be inserted, and which output socket comprises a catch for engaging an opposite catch configured in the plug contact, wherein a socket contact is electrically insulated from the catch, which socket contact is electrically connected to the energy source.
2. A high frequency surgical device according to claim 1, wherein a maximum possible distance from a contact point at the plug contact to an outside of the high frequency surgical device is greater for the socket contact than for the catch.
3. A high frequency surgical device according to claim 1, wherein the socket contact is disposed so that it contacts the plug contact in an inserted state at a distal end of the plug contact.
4. A high frequency surgical device according to claim 1, wherein the socket contact is disposed, so that it only contacts the plug contact during insertion after the catch has substantially completely engaged the opposite catch.
5. A high frequency surgical device according to claim 1, wherein the socket contact is made of a spring elastic material and disposed so it can be elastically displaced by the plug in contact in inserted state.
6. A high frequency surgical device according to claim 4, wherein the catch is made of a spring elastic material, wherein the spring constant of the catch is greater than the spring constant of the socket contact.
7. A high frequency surgical device according to claim 1, wherein the socket contact is configured substantially fork shaped or slotted and disposed, so that the axis of the rotation symmetrical plug contact is recessed in the plug contact.
8. A high frequency surgical device according to claim 1, wherein the output socket is configured to receive a single pole round plug, in particular a Bovie plug or an Olympus 6 mm round plug.
9. A high frequency surgical device according to claim 2, wherein the socket contact is disposed so that it contacts the plug contact in an inserted state at a distal end of the plug contact.